Individual .rar parts like are useless without the other parts in the sequence (part01, part02, etc.). You must have all pieces in the same folder and extract the first one to rebuild the complete installer.
The file is a specific segment of a pirated distribution (often called a "scene release") of the racing simulation game rFactor 2 , cracked by the group HOODLUM . rFactor_2-HOODLUM.part05.rar
: Full 24-hour transitions with accurate star constellations and lighting. Individual
: This version includes a Steam emulator that allows the game to run offline without a valid Steam license or connection. rFactor_2-HOODLUM.part05.rar