Here we will make a brief introduction of the most popular free software can reset administrator password in this field to you, which is Ophcrack.

This powerful program works based on rainbow tables, in order to remove admin password you just need to download its free ISO image, burn it to a CD and boot from the CD and then the program will start to locate the Windows admin user accounts, get Windows admin password recovery automatically by itself.

But it is not that convenient to use this program to finish the admin password recovery or any other Windows operation system’s password recovery when you forgot admin password, such as Windows 7,vista, XP, 2000, 2003, 2008, etc. for this program comes with huge file that it will cost hours to finish the downloading of the file.

Use the way above you can bypass admin password quickly, but if you want to change admin password, you should try to use windows password reset anmosoft.