Minimum and recommended system requirements for Call of Duty: Black Ops 4
What to do if the icon for Call of Duty: Black Ops 4 is not visible on the left side of the app, hence no download option exists.
How to resolve mistakes claiming a CoD key on the wrong Blizzard account
How to receive technical support for Black Ops 4 game client crashes.
Cannot install or Patch Call of Duty: Black Ops 4
Information about who can see your real name within Call of Duty: Black Ops 4.
Information for playing the Call of Duty trial