About this 3D model

So for some reason it didn't put the right files for me so the right files are also here https://www.printables.com/model/662741-xtouch-for-p1p-p1s/files How to install ? Website https://github.com/xperiments-in/xtouch Is not original is Mix between to file and change the back screen 1} https://www.printables.com/model/629128-xtouch-p1sp1p-with-logo 2} https://www.printables.com/model/545768-p1touch-screen-mount/files