Windows XP
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OS: Windows XP with SP3
CPU: Intel Core 2 (or equivalent) running at 1.6Ghz or greater
AMD 64 (or equivalent) running at 2.2Ghz or greater
RAM: 1 GB or more
Video: ATI Radeon X850 128MB or greater;
NVIDIA GeForce 6600 GT 128MB or greater.
Windows Vista
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OS: Windows Vista with SP1
CPU: Intel Core 2 (or equivalent) running at 1.8Ghz or greater
AMD 64 (or equivalent) running at 2.6Ghz or greater
RAM: 1.5 GB or more
Video: ATI Radeon X1550 256MB or greater;
NVIDIA GeForce 7600 GT 256MB or greater.