Taking a look at the min reqs you will require a Radeon HD 7950 graphics card with a Core i3-4340 3.6GHz or FX-6300 processor to reach the minimum Call of Duty: Modern Warfare 2 (2024) specs, run on low graphics setting and 720p. Recommended needs around a 4 year old PC to run.
Call of Duty: Modern Warfare 2 system requirements won't leave your gaming PC battle-worn. In fact, you'll be able to run the FPS game using a GPU from seven years ago, so you shouldn't need to grab one of those fancy RTX 4090 graphics cards to get your boots on the ground.