Older versions of Windows 10 are known to cause stability issues with Warzone and may not be supported by the game as they are no longer supported by Microsoft. We recommend upgrading Windows 10 to the latest version available. Follow the steps below to update your Windows 10.
To download the game on PC, launch the Battle app and sign in to your account.Next, click on the "Games" tab and select the "All Games" option.Choose "Call of Duty" and press the "Install" button.