Minimum: OS: Windows XP/Vista/7 Processor: Intel Core 2 Duo @ 2.0 Ghz / AMD Athlon 64 X2 @ 2.0 Ghz Memory: 1 Gb Hard Disk Space: 10 Gb free Video Memory: 256 MB Video Card: nVidia GeForce 7600 / ATI Radeon HD 2600 Sound Card: DirectX Compatible OTHER REQUIREMENTS & SUPPORTS: Initial installations required (included with the game) are Microsoft DirectX, Visual C++ 2005 Redistributable (ATL), Visual C++ 2008 Redistributable, and AMD Dual Core Optimizer. (AMD optimizer required only for specific AMD processors to run the game correctly, but installs for all of them.) OTHER REQUIREMENTS & SUPPORTS: Does not support Windows XP 64