Windows 10 Password Reset in Safe mode.

1. On the Windows 10 login screen, hold down Shift key and select Restart in the Shut Down options.

2. Windows 10 will restart and show you the Advanced Boot Options on startup screen. Select Troubleshoot.

3. Select Advanced Options in the Troubleshoot screen.

4. It will show you several advanced options, select Startup Settings.

5. You are able to restart to change Windows boot options. Click Restart.

6. After restarting, login with the built-in administrator without password if you have not created a password for it. And then you can open Control Panel to reset other user accounts' password.