minimal:
reqprocessor: Intel Core 2 Duo (or equivalent) running at 1.8 GHz or greater; AMD Athlon 64 X2 (or equivalent) running at 1.8 GHz or greater
reqgraphics: ATI Radeon HD 2600 Pro 256 MB; NVIDIA GeForce 7900 GS 256 MB cards
reqmemory: 1 GB RAM
reqdiskspace: 7 GB available space
reqsystem: Windows Vista with SP3, SP2 or windows 7

recommended:
reqprocessor: Intel Core 2 Quad 2.4 GHz Processor or equivalent; AMD Phenom II X3 Triple core 2.8 GHz or equivalent
reqgraphics: ATI 3850 512 MB or greater; NVIDIA 8800 GTS 512 MB or greater
reqmemory: 2 GB RAM
reqdiskspace: 7 GB available space
reqsystem: Windows Vista with SP3, SP2 or windows 7