Minimum: OS: Windows XP Processor: 2.4 GHz Memory: 1 GB RAM Graphics: 256 MB DirectX®: 9.0c Hard Drive: 2 GB HD space Sound: Any DirectX compatible Additional: Gamepad or steering wheel recommended Recommended: Additional: Gamepad or steering wheel recommended Macintosh Requirements Minimum: OS: 10.6.8 or newer Processor: Any Intel CPU. 335 262 284 118 57 130 87 268 347