If you want to hide all the accounts from the Sign in or Log in screen, follow the linked post. It will replace the current login screen with a prompt where the user needs to enter the username manually. No user account is displayed in this case. Since we are hiding that user account, it means we do not want the person to use it at all. Follow the steps to hide a specific User Account from the sign in screen or login screen in Windows 10: To bring back the username in the Login Screen, type...

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