diff --git a/TelegramBotBase/Builder/BotBaseBuilder.cs b/TelegramBotBase/Builder/BotBaseBuilder.cs
index 0a91ea9..c8d41af 100644
--- a/TelegramBotBase/Builder/BotBaseBuilder.cs
+++ b/TelegramBotBase/Builder/BotBaseBuilder.cs
@@ -9,11 +9,12 @@ using TelegramBotBase.Builder.Interfaces;
 using TelegramBotBase.Commands;
 using TelegramBotBase.Form;
 using TelegramBotBase.Interfaces;
+using TelegramBotBase.Localizations;
 using TelegramBotBase.States;
 
 namespace TelegramBotBase.Builder
 {
-    public class BotBaseBuilder : IAPIKeySelectionStage, IMessageLoopSelectionStage, IStartFormSelectionStage, IBuildingStage, INetworkingSelectionStage, IBotCommandsStage, ISessionSerializationStage
+    public class BotBaseBuilder : IAPIKeySelectionStage, IMessageLoopSelectionStage, IStartFormSelectionStage, IBuildingStage, INetworkingSelectionStage, IBotCommandsStage, ISessionSerializationStage, ILanguageSelectionStage
     {
 
         String _apiKey = null;
@@ -156,36 +157,59 @@ namespace TelegramBotBase.Builder
         }
 
 
-        public IBuildingStage NoSerialization()
+        public ILanguageSelectionStage NoSerialization()
         {
             return this;
         }
 
-        public IBuildingStage UseSerialization(IStateMachine machine)
+        public ILanguageSelectionStage UseSerialization(IStateMachine machine)
         {
             this._statemachine = machine;
             return this;
         }
 
 
-        public IBuildingStage UseJSON(string path)
+        public ILanguageSelectionStage UseJSON(string path)
         {
             this._statemachine = new JSONStateMachine(path);
             return this;
         }
 
-        public IBuildingStage UseSimpleJSON(string path)
+        public ILanguageSelectionStage UseSimpleJSON(string path)
         {
             this._statemachine = new SimpleJSONStateMachine(path);
             return this;
         }
 
-        public IBuildingStage UseXML(string path)
+        public ILanguageSelectionStage UseXML(string path)
         {
             this._statemachine = new XMLStateMachine(path);
             return this;
         }
 
+        public IBuildingStage DefaultLanguage()
+        {
+            return this;
+        }
+
+        public IBuildingStage UseEnglish()
+        {
+            Localizations.Default.Language = new Localizations.English();
+            return this;
+        }
+
+        public IBuildingStage UseGerman()
+        {
+            Localizations.Default.Language = new Localizations.German();
+            return this;
+        }
+
+        public IBuildingStage Custom(Localization language)
+        {
+            Localizations.Default.Language = language;
+            return this;
+        }
+
         public BotBase Build()
         {
             var bb = new BotBase();
@@ -208,5 +232,6 @@ namespace TelegramBotBase.Builder
             return bb;
         }
 
+       
     }
 }
diff --git a/TelegramBotBase/Builder/Interfaces/ILanguageStage.cs b/TelegramBotBase/Builder/Interfaces/ILanguageStage.cs
new file mode 100644
index 0000000..2e5e01a
--- /dev/null
+++ b/TelegramBotBase/Builder/Interfaces/ILanguageStage.cs
@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using TelegramBotBase.Localizations;
+
+namespace TelegramBotBase.Builder.Interfaces
+{
+    public interface ILanguageSelectionStage
+    {
+
+        /// <summary>
+        /// Selects the default language for control usage. (English)
+        /// </summary>
+        /// <returns></returns>
+        IBuildingStage DefaultLanguage();
+
+        /// <summary>
+        /// Selects english as the default language for control labels.
+        /// </summary>
+        /// <returns></returns>
+        IBuildingStage UseEnglish();
+
+        /// <summary>
+        /// Selects german as the default language for control labels.
+        /// </summary>
+        /// <returns></returns>
+        IBuildingStage UseGerman();
+
+        /// <summary>
+        /// Selects a custom language as the default language for control labels.
+        /// </summary>
+        /// <returns></returns>
+        IBuildingStage Custom(Localization language);
+
+    }
+}
diff --git a/TelegramBotBase/Builder/Interfaces/ISessionSerializationStage.cs b/TelegramBotBase/Builder/Interfaces/ISessionSerializationStage.cs
index 7231c81..a729da2 100644
--- a/TelegramBotBase/Builder/Interfaces/ISessionSerializationStage.cs
+++ b/TelegramBotBase/Builder/Interfaces/ISessionSerializationStage.cs
@@ -11,7 +11,7 @@ namespace TelegramBotBase.Builder.Interfaces
         /// Do not uses serialization.
         /// </summary>
         /// <returns></returns>
-        IBuildingStage NoSerialization();
+        ILanguageSelectionStage NoSerialization();
 
 
         /// <summary>
@@ -19,7 +19,7 @@ namespace TelegramBotBase.Builder.Interfaces
         /// </summary>
         /// <param name="machine"></param>
         /// <returns></returns>
-        IBuildingStage UseSerialization(IStateMachine machine);
+        ILanguageSelectionStage UseSerialization(IStateMachine machine);
 
 
         /// <summary>
@@ -27,7 +27,7 @@ namespace TelegramBotBase.Builder.Interfaces
         /// </summary>
         /// <param name="path"></param>
         /// <returns></returns>
-        IBuildingStage UseJSON(String path);
+        ILanguageSelectionStage UseJSON(String path);
 
 
         /// <summary>
@@ -35,7 +35,7 @@ namespace TelegramBotBase.Builder.Interfaces
         /// </summary>
         /// <param name="path"></param>
         /// <returns></returns>
-        IBuildingStage UseSimpleJSON(String path);
+        ILanguageSelectionStage UseSimpleJSON(String path);
 
 
         /// <summary>
@@ -43,7 +43,7 @@ namespace TelegramBotBase.Builder.Interfaces
         /// </summary>
         /// <param name="path"></param>
         /// <returns></returns>
-        IBuildingStage UseXML(String path);
+        ILanguageSelectionStage UseXML(String path);
 
     }
 }
diff --git a/TelegramBotBaseTest/Program.cs b/TelegramBotBaseTest/Program.cs
index 50c9319..d457fa8 100644
--- a/TelegramBotBaseTest/Program.cs
+++ b/TelegramBotBaseTest/Program.cs
@@ -34,11 +34,10 @@ namespace TelegramBotBaseTest
                           a.Add(new BotCommand() { Command = "params", Description = "Returns all send parameters as a message." });
                       })
                       .NoSerialization()
+                      .UseEnglish()
                       .Build();
 
 
-
-
             bb.BotCommand += async (s, en) =>
             {
                 switch (en.Command)