How do I download COD MW on PC?

How do I download COD MW on PC?
To install Modern Warfare, please select Warzone in the Battle.net app.

Launch the Battle.net app.
Log in with your Battle.net account email.
Select Call of Duty: Warzone.
Select the content you wish to install: Campaign, Multiplayer, or Special Ops.
Click Install.

To install Modern Warfare, please select Warzone in the Battle.net app.
  1. Launch the Battle.net app.
  2. Log in with your Battle.net account email.
  3. Select Call of Duty: Warzone.
  4. Select the content you wish to install: Campaign, Multiplayer, or Special Ops.
  5. Click Install.