On Windows 11, you can use the touch keyboard to write with your fingers on a touch-enabled screen, such as on a tablet or convertible device.

If the Calibrate Touch Screen is missing or grayed out in Windows 11/10, the solutions in this article will help you resolve the issue.

However, if you are stuck at the login screen because some of the keys on your keyboard aren't working, you can use Windows' on-screen keyboard to log in.