Following steps.....
#Click Start button
#Go to Run
#Type cmd
#Now you get command prompt
#Type as "net user" hit enter
#You can see your cmputer user accounts
#Now type as "net user user account name *"
eg:
#Hit enter
#Ask password will give ur password what ever
#Then you must Retype password
#You will get like this
Now you changed anyone password successfully.....!!!!
