Activision issued a statement explaining what's going on, while admitting file sizes are larger than last year . This is due to the increased amount of content available day one, including open world Zombies, support for item carry forward from Modern Warfare 2, as well as map files for current Call of Duty: Warzone.
One of the many aspects that caught players' attention was the massive file size of Modern Warfare 3, surpassing 200GB on consoles and PC. Regardless of players having to download such a big game, they now find themselves grappling with an enormous file size to download.