OS: Windows XP SP3 Processor: 2.20GHz Intel Core 2 Duo or 2.4GHz AMD Athlon 64 X2 Dual Core Processor or greater RAM: 2 GB Hard Drive: 7 GB available space Video Card: 512 MB DirectX 9-compatible, 32-bit 3D Accelerated video card supporting hardware Pixel shaders (version 3) (NVIDIA GeForce 8600 GT 512 MB, ATI Radeon HD 4650 1GB, Intel Integrated Graphics HD 4000 or equivalent) DirectX: Version 9.0c