Oh, you found a repack of "Version 1.57"? Great. But the game had 87 updates. You will run into the infamous "Dev Error 6034" or "6068" because the repack forgot to include a specific .manifest file from Season 3. The fix? Download a 45GB "Update Only" pack from a Mega.nz link that was deleted in 2021.
Even with heavy compression, these repacks are massive. Some versions reach approximately 175–197 GB because they often include all game data (Campaign, Multiplayer, and Co-op) even if only the campaign is accessible. Call Of Duty Modern Warfare 2019 Repack Reddit
...Just buy the damn game on sale. Or, better yet, just play Call of Duty: WWII or the original MW remastered. Oh, you found a repack of "Version 1