Firstly,Windows is installed on you computer and then you need a live CD of linux, here we will use a live CD of UBUNTU.

Boot from the Live CD and perform the 7 easy step to hack the windows Admin password.

Steps:

1: Install a program called chntpw

Command is: $ sudo apt-get install chntpw

The rpm package installed is the package to change password.

2: After successfully installing chntpw, you have to access the Windows NTFS partition by mounting it and allowing read/write            support.

Use Mount system Call. More >