

You just had to have the recovery email or phone number when your account for administrator. If you do not know the default administrator password Windows 10 and stuck on sign in screen, this method will really be useful.

Method 1: Change Windows 10 Default Admin Password via Forgot Password Link

Also, if you forget or lose the password for sign in, you need to know a way to access your files which are locked. When you try to do certain things, Windows 10/11 require an admin to provide their authorization. When you forget your password for account or want to access certain part of Windows 10/11, you shall need to know default admin password Windows 10/11.
