Windows</br>OS: Windows XP/Vista/Windows 7</br>Processor: 3.0 GHz or better, AMD or Intel CPU</br>Memory: 1GB RAM (XP) 1.5GB RAM (Vista / Win 7)</br>Graphics: 256 MB VRAM with Pixel Shader 3.0</br>DirectX®: DirectX 9.0</br>Hard Drive: 4-5 GB for full install & DirectX</br>Sound: No accelerated sound hardware required</br>