diff --git a/Assets/ArduinoLogique_Document_utilisateur.pdf b/Assets/ArduinoLogique_Document_utilisateur.pdf
new file mode 100644
index 0000000..ecbc5f5
Binary files /dev/null and b/Assets/ArduinoLogique_Document_utilisateur.pdf differ
diff --git a/menus.py b/menus.py
index dd65c18..2bcf6ac 100644
--- a/menus.py
+++ b/menus.py
@@ -6,9 +6,12 @@
 from copy import deepcopy
 
 from dataclasses import dataclass
+import os
 import tkinter as tk
 from tkinter import messagebox, filedialog, ttk
 import json
+import subprocess
+import platform
 from typing import Callable
 import serial.tools.list_ports  # type: ignore
 
@@ -551,8 +554,13 @@ def confirm_selection():
 
     def open_documentation(self):
         """Handler for the 'Documentation' menu item."""
-        print("Open Documentation")
-        messagebox.showinfo("Documentation", "Documentation not available yet.")
+        file_path = os.path.join(os.path.dirname(__file__), "Assets", "ArduinoLogique_Document_utilisateur.pdf")
+        if platform.system() == "Windows":
+            subprocess.Popen(["start", file_path], shell=True)
+        elif platform.system() == "Darwin":  # macOS
+            subprocess.Popen(["open", file_path])
+        else:  # Linux and other Unix-like systems
+            subprocess.Popen(["xdg-open", file_path])
 
     def about(self):
         """Handler for the 'About' menu item."""