This is the simplest and safest method to root Nexus 7. Just use the Google Nexus 7 toolkit to do everything from installing adb drivers to backing up nandroid. Root Nexus 7 – Step by Step Instructions Step 1. Download the Google Nexus 7 Toolkit, install it (to default folder) and open it up. It will take a few minutes to open up, might seem to freeze the screen, don’t worry just be patient, it ..