5GHz Memory: 512 MB RAM Graphics: 3D Graphics Card with 128 MB RAM (compatible with GeForce 4 Ti or higher) DirectX Version: 9.0c Sound: DirectX® compatible Hard Drive: 5GB Recommended System Requirements:OS: Windows® 2000, XP, Vista 32Bit Processor: Intel Pentium® 4 2.5GHz Memory: 512 MB RAM Graphics: 3D Graphics Card with 256 MB RAM (compatible with GeForce 6600 GT or higher) DirectX Version: 9.0c Sound: DirectX® compatible