OS: Windows XP/Vista/7 Processor: Intel Pentium 4 running at 1.7 GHz, Athlon 64 running at 1.7GHz RAM: 1.5 GB (Vista and Windows 7) Storage: 2 GB available space Video Card: 256 MB, ATI Radeon X1800 GTO and the Nvidia GeForce 6800 Ultra DirectX: 9.0c