Yes, Warzone is cross-platform for PC and Xbox One. It means that players on both PC and Xbox One will be able to play together in the same match. This way, you don't need to buy the same platform as your friends in order to play alongside them.

How do I enable crossplay on Warzone?

To start, simply hit the options button on the home screen. Once you're at the options screen, move over to the “account” tab. Once at the account tab, the very first option will be to “enable” crossplay. If this is enabled, players will be able to play against other consoles (and PC).

Can u play cross-platform on Warzone?

Does Warzone offer cross-platform support? Yes. To make crossplay possible, Warzone requires players to log in to an Activision/Call of Duty account. If you don't have an Activision/Call of Duty account, you can create a free one here or in the game when you connect online for the first time.