How to change XP password without knowing old password.

Change XP password without knowing old password.

Change XP password of your friend's login PC without knowing any hint or old password :

Just open Command prompt
               Start > All Programes > Acessories > Command prompt
and type
                  C:/net user name new password

If your friend has user name is John, and you want to change his password as "Milton"

Type as shown below

                 C:/net user John Milton
You have successfully changed your friends password to "Milton"

If you are the admin of PC then go to the CMD prompt and type
         "control userpasswords2"

Here you can change the Password.