Kittyo Group is a virtual airline group you can find Here.
Installation is as shown below.
Unzip the file, And copy the DDS file I've put inside it.
Find \Community\flybywire-aircraft-a320-neo\SimObjects\AirPlanes\FlyByWire_A320_NEO\TEXTURE, wherever that might be on your computer. It's the texture files for the A32NX.
Paste the DDS file into the folder, and when it tells you it already exists, hit replace.