Please check if you have the correct keyboard layout selected in the GeForce NOW app that matches with your system keyboard layout:
1. Go to GeForce NOW app and navigate to Settings
2. Scroll down on the page until you see the “Keyboard Layout” section
3. Select the layout that you are interested in
Note: The app will not automatically detect your keyboard layout. You will need to manually select the layout using the steps above before launching a game.