OS: Windows XP (Service Pack 2) or Windows Vista (Service Pack 1)
Processor: (XP) 2.0 GHz P4 processor or equivalent; (Vista) 2.4 GHz P4 processor or equivalent
Memory: (XP) 1 GB; (Vista) 1.5 GB
Graphics: 128 MB Video Card with support for Pixel Shader 2.0
DirectX®: Version 9.0c
Hard Drive: 18 GB