Microsoft announced, via the
MS Store page of
Call of Duty: Endless Warfare , that title will start multiplayer beta on Xbox One on 21 October, two weeks before the release of the game waiting for November 4. Please note that access to the beta is reserved for members who have preordered the game digitally or to a dealer agreement, and so far there are no known other ways to access the same. We will update you when more news emerge.