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.
Fortunately, Warzone (in every capacity) is totally free to play across PlayStation, Xbox, and PC platforms it's also a crossplay title, which has served to unite cross-platform players.