minimal:
reqprocessor: Intel Pentium 4 2.5 GHz / AMD Athlon XP 3200+ (2200 MHz)
reqgraphics: GeForce 7800 GT 512 Mb / Radeon 1800 Pro 512 Mb or similar
reqmemory: 1 GB RAM
reqdiskspace: 500 MB available space
reqsystem: Windows XP SP3

recommended:
reqprocessor: Intel Core 2 Duo E6600 2.4 GHz / AMD Athlon 64 X2 4800+ 2.4 GHz
reqgraphics: GeForce 8600 GT 512 Mb / Radeon X3550 Pro 512 Mb
reqmemory: 2 GB RAM
reqdiskspace: 500 MB available space
reqsystem: Windows XP SP3 / Windows 7 / Windows 8