change your password of your friends computer

[FSBOT]

to change the password you have to make sure that the pc is on

1) open cmd in admin mode
2) type. net user
then you will get the username of that pc
3) type net user *
then you will get options for that command
4) type net user (username of pc) *
5) type password for the user
6) retype password

note this works on windows pcs