To install it, read the tips and tricks.
KNOWN ISSUES: Seems to be that the mouse issue also occurs here, it's not and issue since you can use the keyboard or a gamepad for the movement, but it does get in the way sometimes with it just hanging in the center of your screen in the Menu Screens.
Advance Lighting causes a crash.
Seems to also be a bug as in, the characters do not render at all. All you see is their shadows and Wolverines claws floating in the air making it hard to play. I will look into this more.