Beta Call of Duty: Black Ops 4 Blackout is temporarily available to all owners of a free Battle.net account.
It will be enough to set up an account or log in to an existing one, download and run a Battle.net client, enter the game tab and download the beta.
Blackout beta testing will last until September 17 to 19:00.
Regards @EddY-GhosT
Posted from my blog with SteemPress : http://gameshunter.ovh/beta-cod-bo-4-blackout/