Minimum: OS: Windows XP SP3, Windows Vista® SP2, or Windows 7 Processor: Intel Core 2 Duo 2.4 GHz or AMD Athlon X2 5200+ Memory: 2 GB RAM (XP, Vista, or 7) Hard Disk Space: 10GB + 1GB Swapfile Video: 256 MB Video Memory with Shader 3.0 support; ATI Radeon HD 2600 / NVIDIA GeForce 8600 GT Sound: 100% DirectX 9.0c compatible Audio Device Direct®: DirectX 9.0c (March 2009)