How To Hacked A Licensed Windows Xp Password

how to hack xp password?
to change administrator password without knowing the existing pass
open command type lusrmgr.msc,
then a window opens click on user
on right side it will display the list of user accounts
right click on the user u want to change password
click on set pass
then click on proceed
then type the password u want
and retype it
then ok
now u hacked the xp password