A lot of methods are available to recover or reset the Windows password. The famous Ophcrack is used for recovering the password.The big disadvantage of ophcrack is the large ISO file. We need to download a file of size 500MB to recover the password.And I have tested it ever,it actually can not dispay the password as the instruction says.
Another popular tool,Offline NT Password : http://home.eunet.no/pnordahl/ntpasswd/
But the problem is you need operate in Dos environment, which is more suitable for PC expert.
However, there is also a plenty of paid software which can help us reset the Windows password by a bootble DVD/CD or USB driver. As those Windows password recovery software with a small ISO image file, you can save a lost of time and space to download such program.These tools can recover windows password quickly and easily, such as Windows Password Rescuer.