Changing comp account password

--> run dos by clicking on start menu and then click on run and type cmd and press enter

--> now type net user and press enter

--> you will get list of all the account on that pc

--> now choose one of them

--> suppose u choose admin account

--> then type net user admin

--> you will get all information about admin password

--> now just type net user admin *

--> and new password will appear

--> just enter the new password and then confirm it