Call-of-duty-modern-warfare-3-setup «Browser»

Select . Note that physical disc users may need to download the "Call of Duty HQ" first to access MWIII. Xbox (One/Series X|S) :

Once installed, use the in the top right menu to optimize your experience. Call of Duty: Modern Warfare III Installation and Setup call-of-duty-modern-warfare-3-setup

Ensure your console system is fully updated via . 3. Essential First-Time Settings Select