Unofficial builds of CM 11 popularly known as Cyanogen Mod 11 are now available for the Samsung Galaxy Tab Pro 8.4 Wi-Fi and LTE tablets. It is great for those who are looking for touch wiz free experience on their tablets.
All download links can be found here:
To install / flash them follow these instructions.
1. Make sure you have compatible recovery like TWRP or CWM installed on your Tab Pro tablet.
2. Then perform a NANDroid backup of your current ROM.
3. Make sure to wipe data and cache partitions of your device.
4. Then flash the CM 11 that you downloaded earlier.
This firmware is based on Android 4.4.2 kitkat operating system.