How to "Delete administrator Password"without any software

Method 1
Boot up with DOS and delete the sam.exe and
sam.log files from Windows\system32\config in
your hard drive. Now when you boot up in NT
the password on your built-in administrator
account which will be blank (i.e No password).
This solution works only if your hard drive is FAT
kind.
Method 2
Step 1. Put your hard disk of your computer in
any other pc .
Step 2. Boot that computer and use your hard
disk as a secondary hard disk (D'nt boot as
primary hard disk ).
Step 3. Then open that drive in which the victim’s
window(or your window) is installed.
Step 4. Go to location windows->system32-
>config
Step 5. And delete SAM.exe and SAM.log
Step 6. Now remove hard disk and put in your
computer.
Step 7. And boot your computer :-)