Call of Duty

Modern Warfare 2 Minimum System Requirements:

Microsoft Windows XP / Windows Vista 
Intel Pentium 4 3.2 GHz or AMD Athlon 64 3200+ processor
1 GB RAM
256 MB NVIDIA GeForce 6600GT or better or ATI Radeon 1600XT or better
DirectX: DirectX 9.0c
12GB of free hard drive space
100% DirectX 9.0c compatible sound card 
 Broadband connection for Multiplayer Connectivity / Internet Connection for activation.

Call of Duty: World at War Minimum System Requirements:

Operating System : Windows XP/Vista
Processor : Pentium 4 @ 3 GHz/AMD 64 3200+
RAM : 512 MB (1 GB for Vista)
Video Card : 256 MB (nVidia GeForce 6600/ATI Radeon X1600)
Disk Drive : DVD Rom Drive; DirectX : 9.0c ; Hard Drive Space : 8 GB Free

Call of Duty 4: Modern Warfare Minimum System Requirements:

Supported OS: Windows XP with Service Pack 2 or Windows Vista
CPU: Intel Pentium 4 2.4 GHz or AMD Athlon 64 2800+ processor
Ram: 512 MB (768 MB for Vista)
8 GB of free space
Nvidia GeForce 6600 or ATI Radeon 9800 Pro
100% DirectX 9.0c compliant card
Internet or LAN connection for multiplayer

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