OS: Windows XP/Vista CPU: 2.8 GHz or higher (Windows Vista requires 3.0 GHz) RAM: 512 MB RAM or higher (Windows Vista requires 1 GB RAM) HDD: 8.1 GB free disk space or more Graphics: 128 MB or higher (Pixel Shader 2.0, AGP and PCIe only) DirectX: Version 9.0c
