In order for you to play Overlord II on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP SP2+
Processor (CPU):
Pentium 4 3.0Ghz/Athlon 64bit 3000+
Memory (RAM):
1GB
Graphics Card:
GeForce 6800+/ATI X1600+ with 256MB
DirectX®:
DirectX 9.0c
Hard Drive:
5GB
Sound:
DirectX Compatible Sound Card
Multiplayer is no longer available