Why I can't change windows 10 administrator password?

Microsoft offers an extremely advantageous service for changing Microsoft account passwords online. It is an official service that is completely free of charge, does not require the installation of any software, can be operated through a browser, and can be managed remotely without direct access to the computer interface. The service's web page has a simple design and a clear process, the password change takes only a few seconds and the synchronization of the changed passwords across devices and services depends on the network conditions. This method is only applicable to change Windows 10 password password associated with Microsoft account, but not if the administrator account is a local account. 

1. Go to the login page in your browser, tap Sign in, and enter your Microsoft account email and password. 

2. Tap Security at the top, and tap Change Password.

3 Enter the current password, then enter the new password, confirm again, and tap Save. This will change Windows 10 administrator password after forgot.

4. Return to Windows 10, connect to the network, press Windows + L to log out, log in with the new password, and the system will automatically synchronize.

5. Finally, confirm that you can access the system with administrator privileges.

Common Problems and Solutions： 

1. Cannot log in to Microsoft account: Click "Forgot password" to reset. You need have the recovery email or phone number to receive the verification code.

2. Windows is not synchronized: Check the network connection and retry to log in.

3. Lost privileges after change: Make sure the account is still administrator.