Windows
OS: Windows XP 32bit SP 3, Windows Vista 32/64bit, Windows 7 32/64bit Processor: Intel Core 2 Duo 2GHz or AMD Athlon X2 4000+ Memory: 2GB Graphics: NVidia 7600GT or ATI HD 2600 Pro DirectX®: DirectX® 9.0c or later Hard Drive: 12GB Sound: DirectX 9.0c or later compatible Additional: Requires Games for Windows Live!