1.FIRST GO TO START BUTTON.
2.THEN GO TO RUN .
3.RUN CMD .
4.FIRST RUN NET USER COMMAND TO SEE WHICH ARE THE USER IN YOUR SYSTEM.
5.THEN RUN NET USER "USER NAME " "PASSWORD" WITH OUT DOUBLE QUOTES WHICH U WANT TO CHANGE.
6.THEN IT DISPLAY THE COMMAND COMPLETED SUCCESSFULLY.
7.AND YOU HACK THE XP BY CHANGING.