Nexus 7 One Click Root
If you are too lazy to follow a series of steps in order to achieve root on your Nexus 7, you might want to try this One Click root method. This will root it and install custom clockworkmod recovery as well.
Before you click the download link (given below), keep in mind that all data stored on your mightly tablet will be wiped (if your bootloader is still locked). [download link]
How to do it? Extract the downloaded zip file on your pc,install the drivers available in the "drivers" folder if you don’t have them already installed,after installing the drivers run the file called "root.exe" to root your device. Follow this video too.
Also check out: