You can't directly enable the guest account using Group Policy in Windows 10. The guest account is a built-in user account that is disabled by default. To enable the guest account, you need to follow these steps:
- Open the Control Panel: You can do this by searching for "Control Panel" in the Windows search bar.
- Navigate to User Accounts: Click on "User Accounts" in the Control Panel.
- Choose "Manage another account": Select this option from the left-hand side menu.
- Click on "Guest": This will open the Guest account settings.
- Enable the account: Check the box next to "Turn on guest account" and click "OK".
Now, the Guest account is enabled, and you can use it to allow limited access to your computer for other users.
Important Note: The guest account has very limited privileges. It cannot install software, change system settings, or access files outside of the guest account's folder.