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.