How to Root Nexus 7 Android 4.3 JWR66V JB and Install CWM

Android 4.3 JWR66V for Nexus devices has been released; for those of you who have already upgraded their Nexus via OTA, here is the root tutorial. Nexus 7 users who updated to this latest Android 4.3 OS manually can also use this guide to root Nexus 7 on Android 4.3 JWR66V Jelly Bean and also install CWM recovery tool.
Prerequisites to check before you root Nexus 7 Android 4.3 JWR66V JB & install CWM:

Download and install USB drivers for ASUS Nexus 7 in your computer.
Enable USB debugging mode from developer menu.
Backup any important data.
Ensure that your ASUS Nexus 7 carries more than 70% of charge.

Note: this tutorial is specifically tailored to ASUS Nexus 7; so please do not try it on other variants. Also note that your tablet should be on Android 4.3 JWR66V OS – check our tutorial on How to Update Nexus 7 to Android 4.3 JWR66V JB Factory Image.

How to root Nexus 7 Android 4.3 JWR66V JB:

Required files: download Android SDK from Android Developers and install with USB drivers. Download Fastboot and extract its contents in android-sdk-windowsplatform-tools directory – create if not already there. Also download SuperSU v1.43 (UPDATE-SuperSU-v1.43.zip). Download the recovery tool; CWM Recovery 6.0.3.1 (OR TWRP 2.6.0.0) and copy / paste it in the android-sdk-windowsplatform-tools directory.

Connect your Nexus 7 with computer and copy the SuperSU zip file to the sdcard of your Nexus 7 tablet.
Switch off ASUS Nexus 7 and enter into fastboot mode: press Volume Down and Power keys together for a few seconds until you see the menu.
Now navigate to android-sdk-windowsplatform-tools directory and open Command Prompt: Shift + Right-click > Open Command Prompt).
Type the following command and press Enter:
- fastboot flash recovery recovery-clockwork-touch-6.0.3.1-grouper.img.
Once done, select RECOVERY from the Fastboot menu and enter into Recovery Mode.
Now scroll down to flash zip from SD card and select it using the Power button. Follow it with choose zip from sdcard.
Locate the UPDATE-SuperSU-v1.43.zip file – copied earlier to your SD card – and select it. Confirm installation on the next screen to initiate installation procedure.
Once the process completes, go to +++++Go Back and reboot your tablet by selecting reboot system now from the recovery menu.

Awesome! You have rooted your Nexus 7 on Android 4.3 JWR66V Jelly Bean OS and also installed the CWM recovery tool. In your apps list, check for the SuperSU to verify.