How do I re-enable the Windows key if it was disabled in the Registry?

If the registry update has stopped your Windows key, follow these actions to fix it:

• Go to the search box, press Win + R, type regedit and press Enter
• Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout
• Remove the line beginning with Scancode Map if you find one
• Close all your programs and reboot your computer.

Normal operation of the Windows key is brought back. It’s important to create a backup of the Registry before you make any changes.

For more read - https://datarecovee.com/windows-key-not-working/