Now, we need to change that account's password. Type "net user <ACCOUNT NAME HERE> *" and type the new password twice. It will not show what you're typing, but your keystrokes are being registered. You can now log in to your admin account! However, schools/workspaces also like to disable the admin account you just changed the password for, so you might not be able to log in. There is a simple fix. If you get that message, go to the extra step below.