WOW
PC System Requirements
OS:
Windows XP 32/64-Bit (Service pack 3)
Windows Vista 32/64-Bit (with the latest Service Packs)
Windows 7** 32/64-Bit (with the latest updates)
Processor:
Minimum: Intel Pentium 4 1.3 GHz or AMD Athlon XP 1500+
Recommended: Dual-core processor, such as the Intel Pentium D or AMD Athlon 64 X2
Memory:
Minimum: 512 MB RAM (1GB for Vista users)
Recommended: 1 GB RAM (2 GB for Vista users)
Video:
Minimum: 3D graphics processor with Hardware Transform and Lighting with 32 MB VRAM Such as an ATI Radeon 7200 or NVIDIA GeForce 2 class card or better
Recommended: 3D graphics processor with Vertex and Pixel Shader capability with 128 MB VRAM Such as an ATI Radeon X1600 or NVIDIA GeForce 7600 GT class card or better

COD 2
Minimum Requirements
1, 4 GHz Prozessor (Celeron / Duron)
512 MB RAM
ATi Radeon 9200 / GeForce 4
Optimum Requirements
2, 5 GHz Prozessor (Athlon XP / Pentium 4)
1 GB RAM
ATi Radeon 9800XT / GeForce FX 5900

Rozjedeš.Windows 7 nebudou problém.