OS: Windows XP, Vista or Windows 7, with the latest Service Pack Processor: 2.0 GHz P4 processor or equivalent for Windows XP; 2.4 GHz P4 processor or equivalent for Windows Vista or Windows 7 Memory: 1GB RAM for Windows XP; 1.5GB RAM for Windows Vista or Windows 7 Hard Disk Space: At least 5.3 GB of hard drive space with at least 1 GB of additional space for custom content and saved games Video Card: A 256 MB Video Card with support for Pixel Shader 2.0 Sound: DirectX 9.0c