WindowsOS:Windows Vista*Processor:1.8 GHz dual-coreMemory:2 GB RAMGraphics:DirectX 9**Hard Drive:3 GB HD spaceOther Requirements:Broadband Internet connectionAdditional:* Windows Vista users will need to install the DirectX 11 platform update from Microsoft. ** You can use 3DMark to test DirectX 9 and DirectX 10 compatible hardware, but you will need a DirectX 11 compatible video card to run all of the tests. DirectX 9 hardware needs Shader Model 3.0 support, 128MB video card memory and WDDM 1.1 drivers.