OG mods are made for old version of R3, you have to use old version of the game to install them! You can go to steam, install DX11 (on beta section) to do that. This pack contains: Jill Samus Lewd Suit and 6 add ons for Jill Samus Lewd Suit. It also include Standalone Head and Standalone Hair. Do not mix patches. Install one at a time.