John The Ripper is a fast password cracker based on dictionary attack with a wordlist currently available for many flavors of Unix (11 are officially supported, not counting different architectures), Windows, DOS, BeOS, and OpenVMS. Just download Ophcrack ISO image from its official website and burn it to a CD and boot from the CD, well this amazing tool automatically starts locating your user account and proceed to recover your password. It's very easy to use Ophcrack software, Ophcrack support Windows XP, Vista, Windows 7. Ophcrack is the wonderful free tool to recover forgotten Windows password. Here is a list of 5 best free Windows password recovery tools that will help you recover forgotten Windows administrator or other user passwords.
Luckily there are some Windows password recovery freeware which can help you get out of such situation. Things can get even worse if you have no idea how to recover the password but you need to use the computer urgently.
Forgetting Windows password isn't just embarrassing, it also makes you lose all access to your computer files all of a sudden.