Call of Duty: Modern Warfare III on Steam. In the direct sequel to the record-breaking Call of Duty: Modern Warfare II, Captain Price and Task Force 141 face off against the ultimate threat.
How do I download MW3 for PC?
1
Sign in to the Battle app.
2
Click on the "Games" tab.
3
Select "All Games"
4
Click on "Call of Duty"
5
Press "Install"
6
Press "Continue"
7
Select "Modern Warfare III"
8
Press "Start Install"