CPU: Pentium IV 2.0 GHz, Athlon XP 2000+ (XP)
Pentium IV 2.4 GHz, Athlon XP 2400+ (Vista)
RAM: 1.0 GB (XP) // 1.5 GB (Vista)
Graphics: GeForce FX 5900, Radeon 9500 (XP and Vista)
Video RAM: 128 MB (XP and Vista)

Supported Graphic Cards:

NVIDIA GeForce series
FX 5900, FX 5950
6200, 6500, 6600, 6800,
7200, 7300, 7600, 7800, 7900, 7950
8400, 8500, 8600, 8800
9600, 9800, GTX 260, GTX 280

ATI Radeon series
9500, 9600, 9800
X300, X600, X700, X800, X850
X1300, X1600, X1800, X1900, X1950
2400, 2600, 2900
3450, 3650, 3850, 3870,
4850, 4870
Intel Extreme Graphics
GMA X3x00 series