STEP 1 . CLCIK - START MENU !
STEP 2 . TAKE "RUN"
STEP 3 . RUN "mmc" - Microsoft Management Console
There u get a new NEW WINDOW - name Console
STEP 4. Click FILE TAB
STEP 5. TAKE " ADD / REMOVE "
STEP 6. Click " Add.." - (Child window)
STEP 7. "Add Local User and Groups " From the category
STEP 8. THEN CLICK - OK
STEP 9. CLICK USER
Now u can see all USER account
STEP 10. Right Click on any user u want to change !
STEP 11. Choose " Set Password "
STEP 12. Type NEWPASSWORD - and click OK !
Process Over ! Now you can Logout .... then Login with other user ( that u change password ) with Newpassword !