OS: Windows XP SP2 and SP3/Vista (only) Processor: 3.2 GHz Intel® Pentium® 4 or 2.66 GHz Pentium D/AMD® Athlon™64 3500+ RAM: 1 GB Hard Drive: 4 GB available space Video Card: 256 MB DirectX 10.0/9.0-compliant video card with Shader Model 3.0 or higher (see supported list*) DirectX: Version 9.0c
