Конфиг Electron (maximize)

src/main.js

@@ -20,7 +20,8 @@ const createWindow = () => {
       preload: path.join(__dirname, 'preload.js'),
     },
   });
-  mainWindow.menuBarVisible = false;
+  mainWindow.setMenuBarVisibility(false);
+  mainWindow.maximize();
 
   // and load the index.html of the app.
   if (MAIN_WINDOW_VITE_DEV_SERVER_URL) {