Minimum
Processor - Intel Pentium-III 500Mhz
Videocard - NVidia Geforce-2 32Mb

Suggested
Processor - Intel Pentium-4 1000Mhz
Videocard - NVidia Geforce-4 64Mb
SoundCard

Operating System
Windows (Tested only on Windows 2000 and Windows XP, if you have more tested platform, please inform me)