At first download the software from here [Download]
For use this software please attach a usb stores or Blank CD then run the software and burn Password Reset Application in your CD or USB. now insert USB device into that computer that password will be recover & restart that PC and boot it from USB/CD. you will see “lease Select Windows installation to be processed” ID=Path & 1= C:\WINDOWS | Please enter your selection 1..1 or 0 to quit | Now write 1 and Press ENTER Button. then all user account will be show , from here you select which one you want reset, Suppose Administrator will be reset for Type 1 and press ENTER. for Confirm password Remove press “Y “ . Now you will get another window here if you want to reset user account password type Y if notpress “N” press N for Finish . Now remove USB from computer and restart your computer. the PC will be open without lost password.