Minimum: OS: x86 or x64 bit versions of Microsoft Windows XP/Vista/Win7 Processor: AMD/Intel dual-core processor running at 2.0 GHz Memory: 1GB for MS Windows XP and 1.5GB for MS Windows Vista/Win7 Hard Disk Space: 1GB Video Card: ATI/nVidia graphic card with at least 128MB of dedicated VRAM and with at least DirectX 9.0c and Shader Model 3.0 support. ATI Radeon HD 3600 series and NVIDIA Geforce 8600GT DirectX®: 9.0c, June 2010 update Sound: Integrated or dedicated DirectX 9 compatible soundcard.