Here are the system requirements for the PC version of MW2. If you are able to run Call of Duty 4 and/or World at War on your PC, you shouldn't have any problems with Modern Warfare 2, as the requirements are almost the same.
| OS: | Microsoft Windows XP, Windows Vista and Windows 7 (Windows 95/98/ME/2000 are unsupported) |
| Processor: | Intel Pentium 4 3.2 GHz or AMD Athlon 64 3200+ processor or better supported |
| Memory: | 1 GB RAM |
| Graphics: | 256 MB NVIDIA GeForce 6600GT or better or ATI Radeon 1600XT or better |
| DirectX: | Microsoft DirectX(R) 9.0c |
| Hard Drive: | 12GB of free hard drive space |
| Sound: | 100% DirectX 9.0c compatible sound card |
| Internet: | Broadband connection required for Multiplayer Connectivity. Internet Connection required for activation. |
