1Tap Settings (the gear icon at the top of the screen).2Tap the Link button in the top right corner of the screen.3Tap the Call of Duty button from the options provided.4Once the browser opens, enter your email address and password and tap Login Now.Cross-platform and available now, download Warzone to jump into a match, completely free. Download Warzone, then link your Call of Duty account to Call of Duty: Mobile and you'll have some new Modern Warfare gear an in-game watch waiting in your Modern Warfare inventory.
