Call of Duty: Black Ops Cold War Free access week has already begun on 17 December continuing until 24th December. The players can download a separate demo from the above-mentioned date as there is no preload available.
Black Ops Cold War Free Access Details:
In order to play in the free trial week, it seems like you would need to download the whole title. Depending on the platform, this will take up to 100GB of hard drive capacity. The game will feature different modes from December 21st such as Prop Hunt, Fireteam Bomb, Hardpoint, Combined Arms, and more game modes. Black Ops Cold War is available to play now on PC, PS4, PS5, Xbox Series X, Xbox Series S, Xbox One.
Also Read: Video Game Events (Dec 2020)