OS: Windows XP, Vista, Windows 7 Processor: Athlon 64 Processor 3800+ 2.4Ghz or better, Intel Pentium 4 530 3.0 Ghz Processor or better Memory: 1GB XP, 2GB Vista/Windows 7 Graphics: NVIDIA GeForce 8000 series 256MB graphics card or better, ATI Radeon HD 2000 series 256MB graphics card or better DirectX®: Latest 9.0c or better Hard Drive: 8GB Sound: Windows compatible sound card