Move all of the downloaded .rar parts into the where your main game setup.exe and core .bin files (like setup-fitgirl-01.bin ) are located. Step 3: Extract the Archive
– This is part of a split RAR archive . Because the multiplayer content can be large (5GB–30GB+), it’s broken into multiple pieces: part1 , part2 , part3 , etc. setup-fitgirl-optional-multiplayer.bin.part1.rar