How to remove administrator password Win 7 & XP

Learn How to remove administrator password. Win 7 password reset.Have you ever wanted to hack your University PC with guest account/student or just tried to hack your roommate's PC to make him wonder when you tell him your accomplished story of hacking? So today I have a best way of hacking or cracking an administrator account from a guest account by which you can change the administrator's password and getting all the functions which an administrator enjoys on a computer.