Installation Instructions mod FlatOut: Ultimate Carnage FO2 Handling
Make sure you have the Steam GFWL version of the game installed—this is the only version compatible with the mod. (EXE file size: 4,242,504 bytes.)
If you have the Steam version, go to the game’s Properties, open the “Betas” tab, and switch to the GFWL branch. Close the window and Steam will automatically download the appropriate older version.
Copy the mod files into the game folder.
Enjoy playing!