Modern Warfare 2 System Requirements

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.