To run the Call of Duty Modern Warfare 3 system requirements, you will need an NVIDIA GeForce GTX 960 GPU, an Intel Core i5-6600 CPU, 8GB of RAM, and 79GB of space.
While there's a bit of fun to be had if you enjoy mindlessly slaughtering bots, there isn't any anywhere else enjoyable in it. MWIII (2024)'s single-player isn't just bad by Call of Duty standards, it's bad.