: The actual installation size for Black Ops 4 on PC is approximately 55 GB to 112 GB depending on updates and DLC. Even at its smallest "ready to play" state for the Blackout mode alone, it requires a download of 16–20 GB.
If you want to play Call of Duty: Black Ops 4 safely, your only legitimate option is to purchase and download it through the official Battle.net store . Black Ops 4 - Call of Duty: BO4 - Battle.net : The actual installation size for Black Ops
Downloading a "highly compressed" 2 GB version of Call of Duty: Black Ops 4 is and is almost certainly a scam or malware . Why "2 GB Highly Compressed" is a Fake Black Ops 4 - Call of Duty: BO4 - Battle
: Most of these "2 GB" downloads are just hollow shells that run an endless progress bar or demand you complete surveys/offers to "unlock" the final part of the file, which never actually exists. which never actually exists.