Rooting Kindle devices is not new. People have been doing it for quite some time. Thanks to the folks at XDA developers, you can now root your Kindle Fire HDX. Before getting started, you need to make sure to backup your data and understand the risks. You can get started by downloading the adb driver, connecting your Kindle, download the root13 file, and run the appropriate .bat file. Full instructions are available at XDA-developers.com:
1: Download the adb driver and install it to your computer.
2: Connect the Kindle to a computer. Then Enable adb on the Kindle in Settings –> Device
3: On your computer goto Control Panel —> System —> Device Manager. Look under the Other devices tab. Right-Click Android and click update driver. Then click Browse My Computer. Click Let me pick from a list of device drivers. Scroll down and select Kindle Fire. Hit next until the driver installs.
4: Download the root13.zip file, unpack
5: Run the runme.bat Follow along. T
Don’t forget to download Android Firewall to block Amazon auto-updates. The process is not hard as long as you don’t mind hacking your Kindle.