diff --git a/source/Common.py b/source/Common.py
index d86abb3..4c4f5b8 100644
--- a/source/Common.py
+++ b/source/Common.py
@@ -3,6 +3,7 @@ from source.Option import Option
 from source.Game import Game
 from source.Gui.Main import Main
 from source.Gui.TrackConfiguration import TrackConfiguration
+from source.Gui.SelectPack import SelectPack
 from source.Translation import Translator
 from source.Error import ErrorLogger
 
@@ -27,4 +28,5 @@ class Common:
         self.gui_main = Main(common=self)
 
     def show_gui_track_configuration(self): TrackConfiguration(common=self)
+    def show_gui_add_pack(self): SelectPack(common=self)
     def mainloop(self): self.gui_main.mainloop()
diff --git a/source/Gui/Main.py b/source/Gui/Main.py
index 66775d1..eb05526 100644
--- a/source/Gui/Main.py
+++ b/source/Gui/Main.py
@@ -29,11 +29,11 @@ class Main:
                 self.common.translate("Error"),
                 self.common.translate("There is no pack in the ./Pack/ directory.")
             )
-            self.quit()
+            #self.quit()
 
         self.is_dev_version = False  # Is this installer version a dev ?
         self.is_track_configuration_edited = False
-        self.stringvar_ctconfig = StringVar(value=self.available_packs[0])
+        self.stringvar_ctconfig = StringVar(value=self.available_packs[0] if self.available_packs else None)
         self.stringvar_language = StringVar(value=self.common.option.language)
         self.stringvar_game_format = StringVar(value=self.common.option.format)
         self.boolvar_dont_check_for_update = BooleanVar(value=self.common.option.dont_check_for_update)
@@ -60,9 +60,17 @@ class Main:
             textvariable=self.stringvar_ctconfig,
             width=30
         )
-        self.combobox_ctconfig_path.grid(row=1, column=1, sticky="NEWS", columnspan=2)
+        self.combobox_ctconfig_path.grid(row=1, column=1, sticky="NEWS")
         self.combobox_ctconfig_path.bind("<<ComboboxSelected>>", lambda x=None: self.reload_ctconfig())
-        self.reload_ctconfig()
+
+        self.button_add_mod = Button(
+            self.frame_ctconfig,
+            text="+",
+            relief=RIDGE,
+            command=self.common.show_gui_add_pack,
+            width=2
+        )
+        self.button_add_mod.grid(row=1, column=2)
 
         # Jeu
         self.frame_game_path = LabelFrame(self.root, text=self.common.translate("Original game"))
@@ -249,10 +257,19 @@ class Main:
         self.menu_help.add_command(label="Github Wiki", command=lambda: webbrowser.open(GITHUB_HELP_PAGE_URL))
         self.menu_help.add_command(label="Discord", command=lambda: webbrowser.open(DISCORD_URL))
 
+        self.reload_ctconfig()
+
     def reload_ctconfig(self) -> None:
-        self.common.ct_config.load_ctconfig_file(
-            ctconfig_file=self.get_ctconfig_path_pack(self.stringvar_ctconfig.get())
-        )
+        self.available_packs = self.get_available_packs()
+        if self.available_packs: self.state_button(enable=True)
+        else: self.state_button(enable=False)
+
+        self.combobox_ctconfig_path.configure(values=self.available_packs)
+
+        if self.stringvar_ctconfig.get():
+            self.common.ct_config.load_ctconfig_file(
+                ctconfig_file=self.get_ctconfig_path_pack(self.stringvar_ctconfig.get())
+            )
 
     @staticmethod
     def get_available_packs() -> list:
@@ -352,9 +369,9 @@ class Main:
         :param enable: are the button enabled ?
         """
         button = [
-            self.button_do_everything,
-            self.button_select_path,
             self.combobox_ctconfig_path,
+            self.button_select_path,
+            self.button_do_everything
         ]
         for widget in button:
             if enable: widget.config(state=NORMAL)
diff --git a/source/Gui/SelectPack.py b/source/Gui/SelectPack.py
index 0bcbf24..3b6a7c1 100644
--- a/source/Gui/SelectPack.py
+++ b/source/Gui/SelectPack.py
@@ -1,3 +1,77 @@
+from tkinter import *
+from tkinter import ttk
+from tkinter import filedialog
+from tkinter import messagebox
+import zipfile
+import os
+
+
 class SelectPack:
-    def __init__(self):
-        pass
\ No newline at end of file
+    def __init__(self, common):
+        self.common = common
+
+        self.root = Toplevel(self.common.gui_main.root)
+        self.root.title(self.common.translate("Add a pack"))
+        self.root.iconbitmap("./icon.ico")
+        self.root.resizable(False, False)
+        self.root.grab_set()
+
+        self.entry_modpack_path = Entry(self.root, width=50)
+        self.entry_modpack_path.grid(row=1, column=1, sticky="NEWS")
+
+        def select_path():
+            path = filedialog.askopenfilename(
+                filetypes=((self.common.translate("MKW Pack"), r"*.mkwf.pack"),)
+            )
+            if os.path.exists(path):
+                self.entry_modpack_path.delete(0, END)
+                self.entry_modpack_path.insert(0, path)
+
+        self.button_select_path = Button(
+            self.root,
+            text="...",
+            relief=RIDGE,
+            command=lambda: self.root.after(0, select_path)
+        )
+        self.button_select_path.grid(row=1, column=2)
+
+        def extract_pack():
+            self.progressbar_extract.grid(row=3, column=1, columnspan=2, sticky="NEWS")
+            try:
+                path = self.entry_modpack_path.get()
+                *packname, _, _ = os.path.basename(path).split(".")
+                packname = ".".join(packname)
+
+                with zipfile.ZipFile(path) as zip_pack:
+                    zip_pack.extractall(f"./Pack/{packname}/")
+
+                self.common.gui_main.reload_ctconfig()
+
+                messagebox.showinfo(
+                    self.common.translate("Extraction"),
+                    self.common.translate("The mod have been extracted !")
+                )
+                self.root.destroy()
+
+            except Exception as e:
+                self.progressbar_extract.grid_forget()
+                raise e
+
+        self.button_extract_modpack = Button(
+            self.root,
+            text=self.common.translate("Extract the modpack"),
+            relief=RIDGE,
+            command=extract_pack
+        )
+        self.button_extract_modpack.grid(row=2, column=1, columnspan=2, sticky="NEWS")
+
+        self.progressbar_extract = ttk.Progressbar(self.root)
+        self.progressbar_extract.configure(mode="indeterminate")
+        self.progressbar_extract.start(50)
+
+    def state_button(self, enable=True):
+        for button in [
+            self.button_extract_modpack
+        ]:
+            if enable: button.config(state=NORMAL)
+            else: button.config(state=DISABLED)
diff --git a/translation.json b/translation.json
index 2eea30a..0c4bc6a 100644
--- a/translation.json
+++ b/translation.json
@@ -110,6 +110,11 @@
     "value2": "valeur2",
     "Save track configuration": "Sauvegarder la configuration de course",
     "track configuration": "configuration de course",
-    "Load track configuration": "Charger la configuration de course"
+    "Load track configuration": "Charger la configuration de course",
+    "Add a pack": "Ajouter un pack",
+    "Extract the modpack": "Extraire le modpack",
+    "MKW Pack": "Pack MKW",
+    "Extraction": "Extraction",
+    "The mod have been extracted !": "Le mod à bien été extrait !"
   }
 }
\ No newline at end of file