[/img]Call of Duty: Black Ops 3 multiplayer beta on Xbox One and PC is now open to everyone; no codes are needed anymore. Players can visit the Xbox One Store or the Steam Store now and find the Call of Duty: Black Ops 3 multiplayer beta available for free to download.
“Play the Call of Duty: Black Ops III Multiplayer Beta from August 26th to August 30th on the Xbox One and PC. During the beta, you will have an opportunity to experience the new momentum-based, chained movement system, find the perfect Specialist to fit your play style, learn the detailed layouts of three of the new multiplayer maps, and master many new weapons and abilities, in the deepest and most rewarding multiplayer in Call of Duty history.”
Source: TheTechGame.com