Minimum: Supported OS: Microsoft Windows XP Home/Pro, Windows Vista* Processor: 1.7 GHz Intel Pentium 4 or 100% compatible Memory: 512 MB RAM Graphics: DirectX 9 compatible graphics card with 128 MB memory Sound: DirectX 9 compatible Direct X Version: 9 Hard Drive: 2.5 GB free space Input Devices: Keyboard and Mouse Recommended: Supported OS: Microsoft Windows XP Home/Pro, Windows Vista* Processor: 3 GHz Intel Pentium IV or 100% compatible Memory: 2 GB RAM Graphics: DirectX 9 compatible graphics card with 512 MB memory, Nvidia 6800 or better Sound: DirectX 9 compatible Direct X Version: 9 Hard Drive: 2.5 GB free space Input Devices: DirectX 9 compatible force feedback steering wheel *Limited support