Launch the Battle app and log in to your account. Select All Games. Find and select Call of Duty: Warzone. Select the Install button to download and install the game.
Installing Call of Duty: Modern Warfare
1
Launch the Battle app.
2
Log in with your Battle account email.
3
Select Call of Duty: Modern Warfare.
4
Select the content you wish to install: Campaign, Multiplayer, Special Ops, Survival or Warzone Caldera. ...
5
Click Install.