OS: Windows XP/Vista/7 Processor: 2.8 GHz Intel Pentium 4 or AMD Athlon 64 3000+ or higher RAM: 1 GB for XP / 2 GB for Vista and Win7 Hard Drive: 8 GB available space Video Card: 128 MB DirectX 9.0c-compliant video card (ATI Radeon X1000/GeForce 6 Series or better) DirectX: Version 9.0c