Modern Warfare 3 Recommended PC Requirements\n\n Players who want to test their PC's limit and play MW3 in its best form must meet the following recommended requirements: OS: Windows 10 64 Bit (latest update) or Windows 11 64 Bit (latest update) CPU: AMD Ryzen 5 1400 or Intel Core i5-6600K / Core i7-4770. RAM: 16 GB.
How to download Call of Duty MW3 on Steam
1
Launch Steam on your PC.
2
Visit the Steam Store.
3
Search for the game.
4
Add the game to your collection.
5
Find the game in your Steam Library.
6
Click on the "Install" button.