In order for you to play Dead Rising 2 on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows Vista®/XP, Windows 7
Processor (CPU):
Intel Core 2 Duo 2.4 Ghz or better, AMD Athlon X2 2.2 Ghz or better
Memory (RAM):
2 GB RAM
Graphics Card:
NVIDIA® GeForce® 8800GTS or better, ATI Radeon™ HD 3850 or better
DirectX®:
DirectX® 9.0c or greater
Hard Drive:
8.5 GB free hard drive space
Sound:
Standard audio device