diff --git a/main.py b/main.py
index d01a2bc..0a3babf 100644
--- a/main.py
+++ b/main.py
@@ -1439,6 +1439,12 @@ class BackupApp(QMainWindow):
             except: pass
             event.accept()
 
+    def show_about(self):
+        QMessageBox.about(self, "Tentang ProBackup XP",
+                          "ProBackup XP Edition v1.0\n\n"
+                          "Created for Legacy Systems.\n"
+                          "Copyright 2026 Wartana.")
+
     def check_auto_start_status(self):
         """Check if registry key exists for auto start"""
         try: