DISCLAIMER I WILL NOT BE HELD RESPONSIBLE FOR ANY DAMAGE DONE TO YOUR PHONE YOU DO THIS AT YOUR OWN RISK!!!
READ CAREFULLY to download zerge rush click on the link below it will then take u to a page with lots of writing scroll down untill you see ATTACHED FILES it should say rooting with zerge rush7z thats the link click on it and then download it!!
ONCE you finished rooting you will need to install clockworkmod recovery onto your phone so that you can flash roms so i will leave a link BELOW to my simple tutorial on how to do that it only takes 2 seconds to do!!