Supported OS: Microsoft Windows XP Service Pack 2 & Windows Vista Service Pack 1 Processor: 2.0 GHz P4 Processor or equivalent Memory: (XP) 512MB (Vista) 768 MB Graphics: 128MB Video Card with support for Pixel Shader 2.0 Hard Drive: At least 2GB of hard disk space without creations DirectX9®: DirectX 9.0c For computers using built-in graphics chipsets under Windows, the game requires at least: Intel Integrated Chipset, 945GM or above 2.6 GHz Pentium D CPU, or 1.8 GHz Core 2 Duo, or equivalent 768 MB RAM