SIMPLE METHOD FOR BEGINNERS
1.Click on START button and type LUSRMGR.MSC on search bar..
2.Click on "Local Users and Groups(Local)"
3.Click on "Users"
3.Then Right Click On "Administrator" or "Guest' or your user name(ex- ABC), which you want to change password.
4."set password'.
5."proceed"
6.type password, confirm it
7.then restart your computer and see....
