feat: implement localization support and add language settings

.gitignore

@@ -137,4 +137,8 @@ dist
 .idea
 packages
 */bin/
-*/obj/
+*/obj/
+*/obj/.nuget/
+
+# App settings (user preferences)
+appsettings.json

WeModPatcher/App.xaml

@@ -6,6 +6,7 @@
     <Application.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Locale/lang.en-US.xaml"/>
                 <ResourceDictionary Source="Style/ColorScheme.xaml"/>
                 <ResourceDictionary Source="Style/Styles.xaml"/>
                 <ResourceDictionary Source="Style/Icons.xaml"/>

WeModPatcher/App.xaml.cs

@@ -2,6 +2,7 @@
 using System.Threading.Tasks;
 using System.Windows;
 using WeModPatcher.Core;
+using WeModPatcher.Core.Services;
 using WeModPatcher.View.MainWindow;
 using MessageBox = System.Windows.Forms.MessageBox;
 
@@ -14,6 +15,7 @@ namespace WeModPatcher
     {
         protected override void OnStartup(StartupEventArgs e)
         {
+            LocalizationManager.Initialize();
             this.MainWindow.Show();
         }
 

WeModPatcher/Constants.cs

@@ -12,6 +12,7 @@ namespace WeModPatcher
         public static readonly string RepositoryUrl = $"https://github.com/{Owner}/{RepoName}";
         public static readonly Version Version;
         public static readonly string[] WeModBrandNames = { "Wand", "WeMod" };
+        public const string AppSettingsFileName = "appsettings.json";
         
         public const string ProxyDllResouceName = "proxydll";
 

WeModPatcher/Core/Services/LocalizationManager.cs

@@ -0,0 +1,150 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Threading;
+using System.Windows;
+
+namespace WeModPatcher.Core.Services
+{
+    public static class LocalizationManager
+    {
+        public static readonly List<CultureInfo> SupportedLanguages = new List<CultureInfo>
+        {
+            new CultureInfo("en-US"),
+            new CultureInfo("zh-CN"),
+            new CultureInfo("de-DE"),
+            new CultureInfo("fr-FR"),
+            new CultureInfo("es-ES"),
+            new CultureInfo("it-IT"),
+            new CultureInfo("pt-BR"),
+            new CultureInfo("pl-PL"),
+            new CultureInfo("ru-RU"),
+            new CultureInfo("uk-UA"),
+            new CultureInfo("ja-JP"),
+            new CultureInfo("tr-TR")
+        };
+
+        private static CultureInfo _currentLanguage;
+        private static ResourceDictionary _englishBaseDictionary;
+
+        public static CultureInfo CurrentLanguage
+        {
+            get => _currentLanguage;
+            set => SetLanguage(value);
+        }
+
+        public static void Initialize()
+        {
+            // Load English as the base fallback dictionary
+            _englishBaseDictionary = new ResourceDictionary
+            {
+                Source = new Uri("Locale/lang.en-US.xaml", UriKind.Relative)
+            };
+
+            // Try to load saved language preference
+            var savedLanguage = SettingsManager.LoadSettings()?.Language;
+            CultureInfo targetCulture = null;
+
+            if (!string.IsNullOrEmpty(savedLanguage))
+            {
+                targetCulture = SupportedLanguages.FirstOrDefault(c => c.Name == savedLanguage);
+            }
+
+            if (targetCulture == null)
+            {
+                // Fall back to system culture detection
+                var systemCulture = Thread.CurrentThread.CurrentUICulture;
+                targetCulture = SupportedLanguages.FirstOrDefault(c => 
+                    c.Name == systemCulture.Name || 
+                    c.TwoLetterISOLanguageName == systemCulture.TwoLetterISOLanguageName);
+            }
+            
+            SetLanguage(targetCulture ?? SupportedLanguages[0], saveSettings: false);
+        }
+
+        private static void SetLanguage(CultureInfo culture, bool saveSettings = true)
+        {
+            if (culture == null)
+                throw new ArgumentNullException(nameof(culture));
+
+            if (Equals(culture, _currentLanguage))
+                return;
+
+            var supportedCulture = SupportedLanguages.FirstOrDefault(c => c.Name == culture.Name);
+            if (supportedCulture == null)
+            {
+                supportedCulture = SupportedLanguages[0]; // Default to English
+            }
+
+            _currentLanguage = supportedCulture;
+            Thread.CurrentThread.CurrentUICulture = supportedCulture;
+
+            // Create the locale dictionary with English as base for fallback
+            var localeDict = new ResourceDictionary();
+            
+            // First, add English base dictionary for fallback
+            if (_englishBaseDictionary != null && supportedCulture.Name != SupportedLanguages[0].Name)
+            {
+                foreach (var key in _englishBaseDictionary.Keys)
+                {
+                    localeDict[key] = _englishBaseDictionary[key];
+                }
+            }
+
+            // Then overlay with the selected language (will override English keys)
+            var targetDict = new ResourceDictionary
+            {
+                Source = new Uri($"Locale/lang.{supportedCulture.Name}.xaml", UriKind.Relative)
+            };
+            
+            foreach (DictionaryEntry entry in targetDict)
+            {
+                localeDict[entry.Key] = targetDict[entry.Key];
+            }
+
+            // Find and replace the old locale dictionary
+            var oldDict = Application.Current.Resources.MergedDictionaries
+                .FirstOrDefault(d => d.Source != null && d.Source.OriginalString.StartsWith("Locale/lang."));
+
+            if (oldDict != null)
+            {
+                var index = Application.Current.Resources.MergedDictionaries.IndexOf(oldDict);
+                Application.Current.Resources.MergedDictionaries.Remove(oldDict);
+                Application.Current.Resources.MergedDictionaries.Insert(index, localeDict);
+            }
+            else
+            {
+                Application.Current.Resources.MergedDictionaries.Add(localeDict);
+            }
+            
+            if (saveSettings)
+            {
+                SettingsManager.SaveSettings(new AppSettings { Language = supportedCulture.Name });
+            }
+        }
+
+        public static string GetLanguageDisplayName(CultureInfo culture)
+        {
+            try
+            {
+                var dict = new ResourceDictionary
+                {
+                    Source = new Uri($"Locale/lang.{culture.Name}.xaml", UriKind.Relative)
+                };
+                
+                if (dict.Contains("language_display_name"))
+                {
+                    return dict["language_display_name"] as string ?? culture.NativeName;
+                }
+            }
+            catch
+            {
+                // Fallback to native name if loading fails
+            }
+            
+            return culture.NativeName;
+        }
+    }
+}

WeModPatcher/Core/Services/SettingsManager.cs

@@ -0,0 +1,50 @@
+using System;
+using System.IO;
+using Newtonsoft.Json;
+
+namespace WeModPatcher.Core.Services
+{
+    public class AppSettings
+    {
+        public string Language { get; set; }
+    }
+    
+    public static class SettingsManager
+    {
+        private static readonly string SettingsPath = Path.Combine(
+            AppDomain.CurrentDomain.BaseDirectory, 
+            Constants.AppSettingsFileName);
+
+        public static AppSettings LoadSettings()
+        {
+            try
+            {
+                if (File.Exists(SettingsPath))
+                {
+                    var json = File.ReadAllText(SettingsPath);
+                    return JsonConvert.DeserializeObject<AppSettings>(json);
+                }
+            }
+            catch (Exception)
+            {
+                // Settings loading is non-critical - silently fall back to defaults
+                // This can fail due to file permissions, corrupted JSON, etc.
+            }
+            return null;
+        }
+
+        public static void SaveSettings(AppSettings settings)
+        {
+            try
+            {
+                var json = JsonConvert.SerializeObject(settings, Formatting.Indented);
+                File.WriteAllText(SettingsPath, json);
+            }
+            catch (Exception)
+            {
+                // Settings saving is non-critical - silently ignore errors
+                // This can fail due to file permissions or read-only directories
+            }
+        }
+    }
+}

WeModPatcher/Locale/lang.de-DE.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">Deutsch</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">Eine neue Version ist verfügbar</s:String>
+    <s:String x:Key="mw_folder_path">Ordnerpfad</s:String>
+    <s:String x:Key="mw_folder_not_found">Ordner nicht gefunden</s:String>
+    <s:String x:Key="mw_patch">Patch</s:String>
+    <s:String x:Key="mw_restore">Wiederherstellen</s:String>
+    <s:String x:Key="mw_source_code">Quellcode</s:String>
+    <s:String x:Key="mw_made_by">Mit ❤️ von k1tbyte erstellt</s:String>
+    <s:String x:Key="mw_star_hint">Gib einen Stern, wenn dir das geholfen hat ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">Einstellungen</s:String>
+    <s:String x:Key="settings_language">Sprache</s:String>
+    <s:String x:Key="settings_save">Speichern</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">WeMod Pro aktivieren</s:String>
+    <s:String x:Key="pv_devtools">DevTools mit F12</s:String>
+    <s:String x:Key="pv_disable_updates">Updates deaktivieren</s:String>
+    <s:String x:Key="pv_start">Starten</s:String>
+    <s:String x:Key="pv_popup_title">Was werden wir patchen?</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">Vor dem Update wird dringend empfohlen, Patches rückgängig zu machen, falls sie angewendet wurden</s:String>
+    <s:String x:Key="up_update_now">Jetzt aktualisieren</s:String>
+    <s:String x:Key="up_popup_title">Update verfügbar!</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.en-US.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">English</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">A new version is available</s:String>
+    <s:String x:Key="mw_folder_path">Folder path</s:String>
+    <s:String x:Key="mw_folder_not_found">Folder not found</s:String>
+    <s:String x:Key="mw_patch">Patch</s:String>
+    <s:String x:Key="mw_restore">Restore</s:String>
+    <s:String x:Key="mw_source_code">Source code</s:String>
+    <s:String x:Key="mw_made_by">Made with ❤️ by k1tbyte</s:String>
+    <s:String x:Key="mw_star_hint">Put a star if you found this helpful ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">Settings</s:String>
+    <s:String x:Key="settings_language">Language</s:String>
+    <s:String x:Key="settings_save">Save</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">Activate WeMod Pro</s:String>
+    <s:String x:Key="pv_devtools">DevTools on F12</s:String>
+    <s:String x:Key="pv_disable_updates">Disable updates</s:String>
+    <s:String x:Key="pv_start">Start</s:String>
+    <s:String x:Key="pv_popup_title">What are we gonna patch?</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">Before updating, it is strongly recommended to roll back patches if they have been applied</s:String>
+    <s:String x:Key="up_update_now">Update now</s:String>
+    <s:String x:Key="up_popup_title">Update available!</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.es-ES.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">Español</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">Una nueva versión está disponible</s:String>
+    <s:String x:Key="mw_folder_path">Ruta de la carpeta</s:String>
+    <s:String x:Key="mw_folder_not_found">Carpeta no encontrada</s:String>
+    <s:String x:Key="mw_patch">Parchear</s:String>
+    <s:String x:Key="mw_restore">Restaurar</s:String>
+    <s:String x:Key="mw_source_code">Código fuente</s:String>
+    <s:String x:Key="mw_made_by">Hecho con ❤️ por k1tbyte</s:String>
+    <s:String x:Key="mw_star_hint">Pon una estrella si te fue útil ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">Configuración</s:String>
+    <s:String x:Key="settings_language">Idioma</s:String>
+    <s:String x:Key="settings_save">Guardar</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">Activar WeMod Pro</s:String>
+    <s:String x:Key="pv_devtools">DevTools en F12</s:String>
+    <s:String x:Key="pv_disable_updates">Desactivar actualizaciones</s:String>
+    <s:String x:Key="pv_start">Iniciar</s:String>
+    <s:String x:Key="pv_popup_title">¿Qué vamos a parchear?</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">Antes de actualizar, se recomienda encarecidamente revertir los parches si se han aplicado</s:String>
+    <s:String x:Key="up_update_now">Actualizar ahora</s:String>
+    <s:String x:Key="up_popup_title">¡Actualización disponible!</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.fr-FR.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">Français</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">Une nouvelle version est disponible</s:String>
+    <s:String x:Key="mw_folder_path">Chemin du dossier</s:String>
+    <s:String x:Key="mw_folder_not_found">Dossier non trouvé</s:String>
+    <s:String x:Key="mw_patch">Patcher</s:String>
+    <s:String x:Key="mw_restore">Restaurer</s:String>
+    <s:String x:Key="mw_source_code">Code source</s:String>
+    <s:String x:Key="mw_made_by">Fait avec ❤️ par k1tbyte</s:String>
+    <s:String x:Key="mw_star_hint">Mettez une étoile si cela vous a aidé ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">Paramètres</s:String>
+    <s:String x:Key="settings_language">Langue</s:String>
+    <s:String x:Key="settings_save">Enregistrer</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">Activer WeMod Pro</s:String>
+    <s:String x:Key="pv_devtools">DevTools sur F12</s:String>
+    <s:String x:Key="pv_disable_updates">Désactiver les mises à jour</s:String>
+    <s:String x:Key="pv_start">Démarrer</s:String>
+    <s:String x:Key="pv_popup_title">Qu'allons-nous patcher ?</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">Avant la mise à jour, il est fortement recommandé d'annuler les patchs s'ils ont été appliqués</s:String>
+    <s:String x:Key="up_update_now">Mettre à jour maintenant</s:String>
+    <s:String x:Key="up_popup_title">Mise à jour disponible !</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.it-IT.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">Italiano</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">È disponibile una nuova versione</s:String>
+    <s:String x:Key="mw_folder_path">Percorso cartella</s:String>
+    <s:String x:Key="mw_folder_not_found">Cartella non trovata</s:String>
+    <s:String x:Key="mw_patch">Patch</s:String>
+    <s:String x:Key="mw_restore">Ripristina</s:String>
+    <s:String x:Key="mw_source_code">Codice sorgente</s:String>
+    <s:String x:Key="mw_made_by">Creato con ❤️ da k1tbyte</s:String>
+    <s:String x:Key="mw_star_hint">Metti una stella se ti è stato utile ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">Impostazioni</s:String>
+    <s:String x:Key="settings_language">Lingua</s:String>
+    <s:String x:Key="settings_save">Salva</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">Attiva WeMod Pro</s:String>
+    <s:String x:Key="pv_devtools">DevTools su F12</s:String>
+    <s:String x:Key="pv_disable_updates">Disattiva aggiornamenti</s:String>
+    <s:String x:Key="pv_start">Avvia</s:String>
+    <s:String x:Key="pv_popup_title">Cosa patcheremo?</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">Prima dell'aggiornamento, si consiglia vivamente di annullare le patch se sono state applicate</s:String>
+    <s:String x:Key="up_update_now">Aggiorna ora</s:String>
+    <s:String x:Key="up_popup_title">Aggiornamento disponibile!</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.ja-JP.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">日本語</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">新しいバージョンが利用可能です</s:String>
+    <s:String x:Key="mw_folder_path">フォルダパス</s:String>
+    <s:String x:Key="mw_folder_not_found">フォルダが見つかりません</s:String>
+    <s:String x:Key="mw_patch">パッチ</s:String>
+    <s:String x:Key="mw_restore">復元</s:String>
+    <s:String x:Key="mw_source_code">ソースコード</s:String>
+    <s:String x:Key="mw_made_by">k1tbyte が ❤️ を込めて作成</s:String>
+    <s:String x:Key="mw_star_hint">役に立ったらスターをつけてください ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">設定</s:String>
+    <s:String x:Key="settings_language">言語</s:String>
+    <s:String x:Key="settings_save">保存</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">WeMod Pro を有効化</s:String>
+    <s:String x:Key="pv_devtools">F12でDevTools</s:String>
+    <s:String x:Key="pv_disable_updates">アップデートを無効化</s:String>
+    <s:String x:Key="pv_start">開始</s:String>
+    <s:String x:Key="pv_popup_title">何をパッチしますか？</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">アップデート前に、パッチが適用されている場合はロールバックすることを強くお勧めします</s:String>
+    <s:String x:Key="up_update_now">今すぐ更新</s:String>
+    <s:String x:Key="up_popup_title">アップデート利用可能！</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.pl-PL.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">Polski</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">Dostępna jest nowa wersja</s:String>
+    <s:String x:Key="mw_folder_path">Ścieżka folderu</s:String>
+    <s:String x:Key="mw_folder_not_found">Folder nie znaleziony</s:String>
+    <s:String x:Key="mw_patch">Patchuj</s:String>
+    <s:String x:Key="mw_restore">Przywróć</s:String>
+    <s:String x:Key="mw_source_code">Kod źródłowy</s:String>
+    <s:String x:Key="mw_made_by">Wykonane z ❤️ przez k1tbyte</s:String>
+    <s:String x:Key="mw_star_hint">Daj gwiazdkę, jeśli ci pomogło ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">Ustawienia</s:String>
+    <s:String x:Key="settings_language">Język</s:String>
+    <s:String x:Key="settings_save">Zapisz</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">Aktywuj WeMod Pro</s:String>
+    <s:String x:Key="pv_devtools">DevTools na F12</s:String>
+    <s:String x:Key="pv_disable_updates">Wyłącz aktualizacje</s:String>
+    <s:String x:Key="pv_start">Rozpocznij</s:String>
+    <s:String x:Key="pv_popup_title">Co będziemy patchować?</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">Przed aktualizacją zdecydowanie zaleca się cofnięcie patchów, jeśli zostały zastosowane</s:String>
+    <s:String x:Key="up_update_now">Aktualizuj teraz</s:String>
+    <s:String x:Key="up_popup_title">Dostępna aktualizacja!</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.pt-BR.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">Português</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">Uma nova versão está disponível</s:String>
+    <s:String x:Key="mw_folder_path">Caminho da pasta</s:String>
+    <s:String x:Key="mw_folder_not_found">Pasta não encontrada</s:String>
+    <s:String x:Key="mw_patch">Patch</s:String>
+    <s:String x:Key="mw_restore">Restaurar</s:String>
+    <s:String x:Key="mw_source_code">Código fonte</s:String>
+    <s:String x:Key="mw_made_by">Feito com ❤️ por k1tbyte</s:String>
+    <s:String x:Key="mw_star_hint">Dê uma estrela se isso te ajudou ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">Configurações</s:String>
+    <s:String x:Key="settings_language">Idioma</s:String>
+    <s:String x:Key="settings_save">Salvar</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">Ativar WeMod Pro</s:String>
+    <s:String x:Key="pv_devtools">DevTools no F12</s:String>
+    <s:String x:Key="pv_disable_updates">Desativar atualizações</s:String>
+    <s:String x:Key="pv_start">Iniciar</s:String>
+    <s:String x:Key="pv_popup_title">O que vamos patchear?</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">Antes de atualizar, é altamente recomendável reverter os patches se eles foram aplicados</s:String>
+    <s:String x:Key="up_update_now">Atualizar agora</s:String>
+    <s:String x:Key="up_popup_title">Atualização disponível!</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.ru-RU.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">Русский</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">Доступна новая версия</s:String>
+    <s:String x:Key="mw_folder_path">Путь к папке</s:String>
+    <s:String x:Key="mw_folder_not_found">Папка не найдена</s:String>
+    <s:String x:Key="mw_patch">Патч</s:String>
+    <s:String x:Key="mw_restore">Восстановить</s:String>
+    <s:String x:Key="mw_source_code">Исходный код</s:String>
+    <s:String x:Key="mw_made_by">Сделано с ❤️ by k1tbyte</s:String>
+    <s:String x:Key="mw_star_hint">Поставьте звезду, если это было полезно ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">Настройки</s:String>
+    <s:String x:Key="settings_language">Язык</s:String>
+    <s:String x:Key="settings_save">Сохранить</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">Активировать WeMod Pro</s:String>
+    <s:String x:Key="pv_devtools">DevTools на F12</s:String>
+    <s:String x:Key="pv_disable_updates">Отключить обновления</s:String>
+    <s:String x:Key="pv_start">Начать</s:String>
+    <s:String x:Key="pv_popup_title">Что будем патчить?</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">Перед обновлением настоятельно рекомендуется откатить патчи, если они были применены</s:String>
+    <s:String x:Key="up_update_now">Обновить сейчас</s:String>
+    <s:String x:Key="up_popup_title">Доступно обновление!</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.tr-TR.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">Türkçe</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">Yeni bir sürüm mevcut</s:String>
+    <s:String x:Key="mw_folder_path">Klasör yolu</s:String>
+    <s:String x:Key="mw_folder_not_found">Klasör bulunamadı</s:String>
+    <s:String x:Key="mw_patch">Yama</s:String>
+    <s:String x:Key="mw_restore">Geri Yükle</s:String>
+    <s:String x:Key="mw_source_code">Kaynak kodu</s:String>
+    <s:String x:Key="mw_made_by">k1tbyte tarafından ❤️ ile yapıldı</s:String>
+    <s:String x:Key="mw_star_hint">Yardımcı olduysa yıldız verin ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">Ayarlar</s:String>
+    <s:String x:Key="settings_language">Dil</s:String>
+    <s:String x:Key="settings_save">Kaydet</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">WeMod Pro'yu Etkinleştir</s:String>
+    <s:String x:Key="pv_devtools">F12 ile DevTools</s:String>
+    <s:String x:Key="pv_disable_updates">Güncellemeleri devre dışı bırak</s:String>
+    <s:String x:Key="pv_start">Başlat</s:String>
+    <s:String x:Key="pv_popup_title">Ne yamalayacağız?</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">Güncellemeden önce, yamalar uygulandıysa geri almak şiddetle tavsiye edilir</s:String>
+    <s:String x:Key="up_update_now">Şimdi güncelle</s:String>
+    <s:String x:Key="up_popup_title">Güncelleme mevcut!</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.uk-UA.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">Українська</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">Доступна нова версія</s:String>
+    <s:String x:Key="mw_folder_path">Шлях до папки</s:String>
+    <s:String x:Key="mw_folder_not_found">Папку не знайдено</s:String>
+    <s:String x:Key="mw_patch">Патч</s:String>
+    <s:String x:Key="mw_restore">Відновити</s:String>
+    <s:String x:Key="mw_source_code">Вихідний код</s:String>
+    <s:String x:Key="mw_made_by">Зроблено з ❤️ by k1tbyte</s:String>
+    <s:String x:Key="mw_star_hint">Поставте зірку, якщо це було корисно ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">Налаштування</s:String>
+    <s:String x:Key="settings_language">Мова</s:String>
+    <s:String x:Key="settings_save">Зберегти</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">Активувати WeMod Pro</s:String>
+    <s:String x:Key="pv_devtools">DevTools на F12</s:String>
+    <s:String x:Key="pv_disable_updates">Вимкнути оновлення</s:String>
+    <s:String x:Key="pv_start">Почати</s:String>
+    <s:String x:Key="pv_popup_title">Що будемо патчити?</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">Перед оновленням наполегливо рекомендується відкотити патчі, якщо вони були застосовані</s:String>
+    <s:String x:Key="up_update_now">Оновити зараз</s:String>
+    <s:String x:Key="up_popup_title">Доступне оновлення!</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Locale/lang.zh-CN.xaml

@@ -0,0 +1,41 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:s="clr-namespace:System;assembly=mscorlib">
+
+    <!--#region Language Metadata -->
+    <s:String x:Key="language_display_name">简体中文</s:String>
+    <!--#endregion -->
+
+    <!--#region MainWindow -->
+    <s:String x:Key="mw_title">WeMod Patcher</s:String>
+    <s:String x:Key="mw_update_available">有新版本可用</s:String>
+    <s:String x:Key="mw_folder_path">文件夹路径</s:String>
+    <s:String x:Key="mw_folder_not_found">未找到文件夹</s:String>
+    <s:String x:Key="mw_patch">补丁</s:String>
+    <s:String x:Key="mw_restore">恢复</s:String>
+    <s:String x:Key="mw_source_code">源代码</s:String>
+    <s:String x:Key="mw_made_by">由 k1tbyte 用 ❤️ 制作</s:String>
+    <s:String x:Key="mw_star_hint">如果这对您有帮助，请给个星标 ;)</s:String>
+    <!--#endregion -->
+
+    <!--#region Settings -->
+    <s:String x:Key="settings_title">设置</s:String>
+    <s:String x:Key="settings_language">语言</s:String>
+    <s:String x:Key="settings_save">保存</s:String>
+    <!--#endregion -->
+
+    <!--#region PatchVectorsPopup -->
+    <s:String x:Key="pv_activate_pro">激活 WeMod Pro</s:String>
+    <s:String x:Key="pv_devtools">按 F12 打开开发者工具</s:String>
+    <s:String x:Key="pv_disable_updates">禁用更新</s:String>
+    <s:String x:Key="pv_start">开始</s:String>
+    <s:String x:Key="pv_popup_title">我们要打什么补丁？</s:String>
+    <!--#endregion -->
+
+    <!--#region UpdatePopup -->
+    <s:String x:Key="up_warning">在更新之前，强烈建议回滚已应用的补丁</s:String>
+    <s:String x:Key="up_update_now">立即更新</s:String>
+    <s:String x:Key="up_popup_title">有更新可用！</s:String>
+    <!--#endregion -->
+
+</ResourceDictionary>

WeModPatcher/Style/Styles.xaml

@@ -211,7 +211,7 @@
                             </Grid.ColumnDefinitions>
                             <Border BorderBrush="{DynamicResource Border}"
                                     BorderThickness="0 0 1 0" IsHitTestVisible="False">
-                                <TextBlock Text="{TemplateBinding Uid}"
+                                <TextBlock Text="{DynamicResource mw_folder_path}"
                                            VerticalAlignment="Center"
                                            FontSize="12"
                                            Foreground="{DynamicResource MutedForeground}"
@@ -225,7 +225,7 @@
                             <TextBlock IsHitTestVisible="False"
                                 Grid.Column="1"
                                 Opacity="0.3"
-                                Text="{TemplateBinding Tag}"
+                                Text="{DynamicResource mw_folder_not_found}"
                                 Margin="7 0 5 1"
                                 VerticalAlignment="Center"
                                 Visibility="Collapsed"
@@ -242,4 +242,113 @@
             </Setter.Value>
         </Setter>
     </Style>
+
+<Style TargetType="{x:Type ComboBox}">
+    <Setter Property="Background" Value="Transparent"/>
+    <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
+    <Setter Property="BorderBrush" Value="{DynamicResource Border}"/>
+    <Setter Property="BorderThickness" Value="1"/>
+    <Setter Property="Foreground" Value="{DynamicResource Foreground}"/>
+    <Setter Property="Height" Value="30"/>
+    <Setter Property="Cursor" Value="Hand"/>
+    <Setter Property="Padding" Value="10 0"/>
+    <Setter Property="Template">
+        <Setter.Value>
+            <ControlTemplate TargetType="{x:Type ComboBox}">
+                <Grid>
+                    <ToggleButton x:Name="ToggleButton"
+                                  Focusable="False"
+                                  Background="Transparent"
+                                  BorderBrush="{TemplateBinding BorderBrush}"
+                                  BorderThickness="{TemplateBinding BorderThickness}"
+                                  IsChecked="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"
+                                  ClickMode="Press">
+                        <ToggleButton.Template>
+                            <ControlTemplate TargetType="{x:Type ToggleButton}">
+                                <Border x:Name="Border" CornerRadius="3"
+                                        BorderThickness="{TemplateBinding BorderThickness}"
+                                        BorderBrush="{TemplateBinding BorderBrush}"
+                                        Background="Transparent">
+                                    <Grid>
+                                        <Grid.ColumnDefinitions>
+                                            <ColumnDefinition/>
+                                            <ColumnDefinition Width="20"/>
+                                        </Grid.ColumnDefinitions>
+                                        <Border Grid.Column="1" BorderBrush="{DynamicResource Border}"
+                                                BorderThickness="1 0 0 0" Margin="0 5"/>
+                                        <Path x:Name="Arrow" Grid.Column="1"
+                                              HorizontalAlignment="Center" VerticalAlignment="Center"
+                                              Data="M0,0 L4,4 L8,0" Stroke="{DynamicResource MutedForeground}"
+                                              StrokeThickness="1.5"/>
+                                    </Grid>
+                                </Border>
+                                <ControlTemplate.Triggers>
+                                    <Trigger Property="IsMouseOver" Value="True">
+                                        <Setter TargetName="Border" Property="Background" Value="{DynamicResource Secondary}"/>
+                                    </Trigger>
+                                </ControlTemplate.Triggers>
+                            </ControlTemplate>
+                        </ToggleButton.Template>
+                    </ToggleButton>
+                    <ContentPresenter x:Name="ContentSite"
+                                      IsHitTestVisible="False"
+                                      Content="{TemplateBinding SelectionBoxItem}"
+                                      ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
+                                      ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}"
+                                      Margin="10,0,25,0"
+                                      VerticalAlignment="Center"
+                                      HorizontalAlignment="Left"/>
+                    <Popup x:Name="Popup"
+                           Placement="Bottom"
+                           IsOpen="{TemplateBinding IsDropDownOpen}"
+                           AllowsTransparency="True"
+                           Focusable="False"
+                           PopupAnimation="Slide">
+                        <Grid x:Name="DropDown"
+                              SnapsToDevicePixels="True"
+                              MinWidth="{TemplateBinding ActualWidth}"
+                              MaxHeight="{TemplateBinding MaxDropDownHeight}">
+                            <Border x:Name="DropDownBorder"
+                                    CornerRadius="3"
+                                    Margin="0 2 0 0"
+                                    Background="{DynamicResource Background}"
+                                    BorderBrush="{DynamicResource Border}"
+                                    BorderThickness="1">
+                                <ScrollViewer Margin="4" SnapsToDevicePixels="True">
+                                    <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained"/>
+                                </ScrollViewer>
+                            </Border>
+                        </Grid>
+                    </Popup>
+                </Grid>
+            </ControlTemplate>
+        </Setter.Value>
+    </Setter>
+</Style>
+
+    <Style TargetType="{x:Type ComboBoxItem}">
+        <Setter Property="SnapsToDevicePixels" Value="True"/>
+        <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
+        <Setter Property="Foreground" Value="{DynamicResource Foreground}"/>
+        <Setter Property="Cursor" Value="Hand"/>
+        <Setter Property="Padding" Value="8 5"/>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ComboBoxItem}">
+                    <Border x:Name="Border" CornerRadius="3" Padding="{TemplateBinding Padding}"
+                            Background="Transparent">
+                        <ContentPresenter/>
+                    </Border>
+                    <ControlTemplate.Triggers>
+                        <Trigger Property="IsHighlighted" Value="True">
+                            <Setter TargetName="Border" Property="Background" Value="{DynamicResource Secondary}"/>
+                        </Trigger>
+                        <Trigger Property="IsSelected" Value="True">
+                            <Setter TargetName="Border" Property="Background" Value="{DynamicResource Accent}"/>
+                        </Trigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
 </ResourceDictionary>

WeModPatcher/View/MainWindow/MainWindow.xaml

@@ -50,7 +50,7 @@
                             ToolTip="Click to update"
                             Command="{Binding UpdateCommand}"
                             Visibility="{Binding IsUpdateAvailable, Converter={StaticResource ToVisibilityConverter}}"
-                            Content="A new version is available"/>
+                            Content="{DynamicResource mw_update_available}"/>
                 </StackPanel>
                                 
                 <StackPanel  HorizontalAlignment="Right" Orientation="Horizontal">
@@ -59,6 +59,7 @@
                         Width="25" Height="25" Padding="5.5"
                         Style="{StaticResource IconButton}"
                         Tag="{StaticResource CogIcon}"
+                        Command="{Binding OpenSettingsCommand}"
                         />
                     <Button
                         Margin="9 0 15 0"
@@ -95,9 +96,9 @@
                 
                 <Grid Margin="10" Cursor="Hand" Background="Transparent">
                     <TextBox Style="{StaticResource TitledTextBox}"
-                             Uid="Folder path"  IsReadOnly="True"
+                             IsReadOnly="True"
                              Text="{Binding WeModInfo.RootDirectory, Mode=OneWay}"
-                             VerticalAlignment="Center" Tag="Folder not found">
+                             VerticalAlignment="Center">
                     </TextBox>
                     <Grid.InputBindings>
                         <MouseBinding Gesture="LeftClick" Command="{Binding SetFolderPathCommand}" />
@@ -169,14 +170,15 @@
                             <Button Style="{StaticResource ColoredButton}"
                                     IsEnabled="{Binding IsPatchEnabled}"
                                     FontWeight="Bold" FontSize="16" Width="200" 
-                                    Command="{Binding ApplyPatchCommand}">Patch</Button>
+                                    Command="{Binding ApplyPatchCommand}"
+                                    Content="{DynamicResource mw_patch}"/>
                         </Grid>
                         <Button HorizontalAlignment="Right"
                                 Command="{Binding RestoreBackupCommand }"
                                 FontWeight="Bold" FontSize="16" Width="200" 
                                 Style="{StaticResource ColoredButton}"
                                 Visibility="{Binding AlreadyPatched, Converter={StaticResource ToVisibilityConverter}}"
-                                Content="Restore"/>
+                                Content="{DynamicResource mw_restore}"/>
                     </Grid>
                 </StackPanel>
 
@@ -194,13 +196,13 @@
                         </Viewbox>
                         <Grid>
                             <TextBlock Margin="8 0 0 0"  FontSize="10" Foreground="{DynamicResource AccentForeground}">
-                                <Hyperlink Foreground="{DynamicResource AccentForeground}">Source code </Hyperlink>
+                                <Hyperlink Foreground="{DynamicResource AccentForeground}"><Run Text="{DynamicResource mw_source_code}"/></Hyperlink>
                                 <LineBreak/>
-                                <Run>Made with ❤️ by k1tbyte</Run>
+                                <Run Text="{DynamicResource mw_made_by}"/>
                                 
                                 
                                 <LineBreak/>
-                                <Run Foreground="{DynamicResource MutedForeground}">Put a star if you found this helpful ;)</Run>
+                                <Run Foreground="{DynamicResource MutedForeground}" Text="{DynamicResource mw_star_hint}"/>
                             </TextBlock>
                         </Grid>
                     </StackPanel>

WeModPatcher/View/MainWindow/MainWindowVm.cs

@@ -72,6 +72,7 @@ namespace WeModPatcher.View.MainWindow
         public RelayCommand ApplyPatchCommand { get; }
         public RelayCommand RestoreBackupCommand { get; }
         public RelayCommand UpdateCommand { get; }
+        public RelayCommand OpenSettingsCommand { get; }
 
         private void OnFolderPathSelection(object obj)
         {
@@ -162,7 +163,7 @@ namespace WeModPatcher.View.MainWindow
                         IsPatchEnabled = true;
                     }
                 });
-            }), "What are we gonna patch?");
+            }), Application.Current.FindResource("pv_popup_title") as string);
         }
 
         private void Log(string message, ELogType logType)
@@ -199,7 +200,12 @@ namespace WeModPatcher.View.MainWindow
 
                     Log("WeModPatcher updated successfully. Restarting...", ELogType.Success);
                 });
-            }), "Update available!");
+            }), Application.Current.FindResource("up_popup_title") as string);
+        }
+
+        private void OnOpenSettings(object param)
+        {
+            MainWindow.Instance.OpenPopup(new SettingsPopup(), Application.Current.FindResource("settings_title") as string);
         }
 
         public MainWindowVm(MainWindow view)
@@ -210,6 +216,7 @@ namespace WeModPatcher.View.MainWindow
             ApplyPatchCommand = new RelayCommand(OnPatching);
             RestoreBackupCommand = new RelayCommand(OnBackupRestoring);
             UpdateCommand = new RelayCommand(OnUpdate);
+            OpenSettingsCommand = new RelayCommand(OnOpenSettings);
 
             WeModInfo = Extensions.FindWeMod();
             if (WeModInfo == null)

WeModPatcher/View/Popups/PatchVectorsPopup.xaml

@@ -20,14 +20,14 @@
                 <RowDefinition Height="Auto" />
             </Grid.RowDefinitions>
 
-            <TextBlock Grid.Row="0" VerticalAlignment="Center" Text="Activate WeMod Pro" />
+            <TextBlock Grid.Row="0" VerticalAlignment="Center" Text="{DynamicResource pv_activate_pro}" />
             <CheckBox Grid.Row="0" x:Name="ActivateProBox" HorizontalAlignment="Right" VerticalAlignment="Center"
                       IsChecked="True" />
 
-            <TextBlock Grid.Row="1" VerticalAlignment="Center" Text="DevTools on F12" />
+            <TextBlock Grid.Row="1" VerticalAlignment="Center" Text="{DynamicResource pv_devtools}" />
             <CheckBox Grid.Row="1" x:Name="DevToolsHotkeyBox" HorizontalAlignment="Right" VerticalAlignment="Center" />
 
-            <TextBlock Grid.Row="2" VerticalAlignment="Center" Text="Disable updates" />
+            <TextBlock Grid.Row="2" VerticalAlignment="Center" Text="{DynamicResource pv_disable_updates}" />
             <CheckBox Grid.Row="2" x:Name="DisableUpdateBox" HorizontalAlignment="Right" VerticalAlignment="Center" />
 
             <!--<TextBlock
@@ -39,7 +39,7 @@
             <CheckBox Grid.Row="3" x:Name="AutoUpdates" HorizontalAlignment="Right" VerticalAlignment="Center"
                       IsChecked="True" />-->
 
-            <Button Grid.Row="3" Padding="0 5 0 5" Margin="0 15 0 0" Content="Start"
+            <Button Grid.Row="3" Padding="0 5 0 5" Margin="0 15 0 0" Content="{DynamicResource pv_start}"
                     Click="OnPatchButtonClick" />
         </Grid>
     </Grid>

WeModPatcher/View/Popups/SettingsPopup.xaml

@@ -0,0 +1,41 @@
+<UserControl x:Class="WeModPatcher.View.Popups.SettingsPopup"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             mc:Ignorable="d"
+             d:DesignHeight="Auto" d:DesignWidth="Auto"
+             Background="{DynamicResource Background}"
+             Foreground="{DynamicResource MutedForeground}"
+             FontWeight="Medium"
+             FontSize="13">
+    <Grid MinWidth="250">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+        
+        <Grid Grid.Row="0" Margin="0 0 0 15">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="*" />
+                <ColumnDefinition Width="Auto" />
+            </Grid.ColumnDefinitions>
+            
+            <TextBlock Grid.Column="0" VerticalAlignment="Center" 
+                       Text="{DynamicResource settings_language}" />
+            <ComboBox Grid.Column="1" x:Name="LanguageComboBox" 
+                      Width="130"
+                      SelectionChanged="OnLanguageSelectionChanged">
+                <ComboBox.ItemTemplate>
+                    <DataTemplate>
+                        <TextBlock Text="{Binding DisplayName}" />
+                    </DataTemplate>
+                </ComboBox.ItemTemplate>
+            </ComboBox>
+        </Grid>
+        
+        <Button Grid.Row="1" Padding="0 5 0 5" Margin="0 5 0 0"
+                Content="{DynamicResource settings_save}"
+                Click="OnSaveClick" />
+    </Grid>
+</UserControl>

WeModPatcher/View/Popups/SettingsPopup.xaml.cs

@@ -0,0 +1,68 @@
+using System.Globalization;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using WeModPatcher.Core;
+using WeModPatcher.Core.Services;
+using WeModPatcher.View.MainWindow;
+
+namespace WeModPatcher.View.Popups
+{
+    public partial class SettingsPopup : UserControl
+    {
+        private CultureInfo _selectedLanguage;
+
+        public SettingsPopup()
+        {
+            InitializeComponent();
+            LoadLanguages();
+        }
+
+        private void LoadLanguages()
+        {
+            var items = LocalizationManager.SupportedLanguages
+                .Select(c => new LanguageItem
+                {
+                    Culture = c,
+                    DisplayName = LocalizationManager.GetLanguageDisplayName(c)
+                })
+                .ToList();
+
+            LanguageComboBox.ItemsSource = items;
+            
+            var currentItem = items.FirstOrDefault(i => i.Culture.Name == LocalizationManager.CurrentLanguage?.Name);
+            if (currentItem != null)
+            {
+                LanguageComboBox.SelectedItem = currentItem;
+            }
+            
+            _selectedLanguage = LocalizationManager.CurrentLanguage;
+        }
+
+        private void OnLanguageSelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (LanguageComboBox.SelectedItem is LanguageItem item)
+            {
+                _selectedLanguage = item.Culture;
+            }
+        }
+
+        private void OnSaveClick(object sender, RoutedEventArgs e)
+        {
+            if (_selectedLanguage != null && 
+                (LocalizationManager.CurrentLanguage == null || 
+                 _selectedLanguage.Name != LocalizationManager.CurrentLanguage.Name))
+            {
+                LocalizationManager.CurrentLanguage = _selectedLanguage;
+            }
+            
+            MainWindow.MainWindow.Instance.ClosePopup();
+        }
+
+        private class LanguageItem
+        {
+            public CultureInfo Culture { get; set; }
+            public string DisplayName { get; set; }
+        }
+    }
+}

WeModPatcher/View/Popups/UpdatePopup.xaml

@@ -12,9 +12,9 @@
              FontSize="13">
     <StackPanel>
         
-        <TextBlock Foreground="Red" MaxWidth="320" TextAlignment="Center" Text="Before updating, it is strongly recommended to roll back patches if they have been applied" TextWrapping="Wrap" />
+        <TextBlock Foreground="Red" MaxWidth="320" TextAlignment="Center" Text="{DynamicResource up_warning}" TextWrapping="Wrap" />
         
-        <Button Padding="0 5 0 5" Margin="0 15 0 0" Content="Update now"
+        <Button Padding="0 5 0 5" Margin="0 15 0 0" Content="{DynamicResource up_update_now}"
                 Click="OnUpdateClick" />
     </StackPanel>
 </UserControl>

WeModPatcher/WeModPatcher.csproj

@@ -70,6 +70,8 @@
         <Compile Include="Converters\ToVisibilityConverter.cs" />
         <Compile Include="Core\Patcher.cs" />
         <Compile Include="Core\PatcherConfig.cs" />
+        <Compile Include="Core\Services\LocalizationManager.cs" />
+        <Compile Include="Core\Services\SettingsManager.cs" />
         <Compile Include="Models\WeModConfig.cs" />
         <Compile Include="Models\PatchConfig.cs" />
         <Compile Include="Models\Signature.cs" />
@@ -91,6 +93,9 @@
         <Compile Include="View\Popups\PatchVectorsPopup.xaml.cs">
           <DependentUpon>PatchVectorsPopup.xaml</DependentUpon>
         </Compile>
+        <Compile Include="View\Popups\SettingsPopup.xaml.cs">
+          <DependentUpon>SettingsPopup.xaml</DependentUpon>
+        </Compile>
         <Compile Include="App.xaml.cs">
             <DependentUpon>App.xaml</DependentUpon>
             <SubType>Code</SubType>
@@ -98,6 +103,18 @@
         <Compile Include="View\Popups\UpdatePopup.xaml.cs">
           <DependentUpon>UpdatePopup.xaml</DependentUpon>
         </Compile>
+        <Page Include="Locale\lang.en-US.xaml" />
+        <Page Include="Locale\lang.zh-CN.xaml" />
+        <Page Include="Locale\lang.de-DE.xaml" />
+        <Page Include="Locale\lang.fr-FR.xaml" />
+        <Page Include="Locale\lang.es-ES.xaml" />
+        <Page Include="Locale\lang.it-IT.xaml" />
+        <Page Include="Locale\lang.pt-BR.xaml" />
+        <Page Include="Locale\lang.pl-PL.xaml" />
+        <Page Include="Locale\lang.ru-RU.xaml" />
+        <Page Include="Locale\lang.uk-UA.xaml" />
+        <Page Include="Locale\lang.ja-JP.xaml" />
+        <Page Include="Locale\lang.tr-TR.xaml" />
         <Page Include="Style\ColorScheme.xaml" />
         <Page Include="Style\Icons.xaml" />
         <Page Include="Style\Styles.xaml" />
@@ -105,6 +122,7 @@
         <Page Include="View\Controls\PopupHost.xaml" />
         <Page Include="View\MainWindow\MainWindow.xaml" />
         <Page Include="View\Popups\PatchVectorsPopup.xaml" />
+        <Page Include="View\Popups\SettingsPopup.xaml" />
         <Page Include="View\Popups\UpdatePopup.xaml" />
     </ItemGroup>
     <ItemGroup>