Minimum: OS:WINDOWS XP SP3/WINDOWS VISTA SP2/WINDOWS 7 Processor:AMD/INTEL DUAL-CORE 2 GHZ Memory:2048 MB RAM Graphics:256 MB 100% DIRECTX 9 AND SHADERS 3.0 COMPATIBLE ATI RADEON HD 2600 XT/NVIDIA GEFORCE 8600 GT OR HIGHER DirectX®:9.0c Hard Drive:14 GB HD space Sound:DIRECTX 9 COMPATIBLE