The game relies on high-speed data streaming, which struggles if files are altered.
Instead of risking a compressed download, use the official feature:
The game generates massive shader files upon launch, which cannot be compressed. Call of Duty Modern Warfare Highly Compressed P...
Language files (other than English) and 4K video files are often removed to save space.
You can remove the Campaign, Special Ops, or Survival packs if you only play Multiplayer. The game relies on high-speed data streaming, which
Downloading highly compressed versions from third-party sites is risky for several reasons:
Using modified files can trigger Activision’s anti-cheat systems (Ricochet). Technical Challenges for MW 2019 Call of Duty Modern Warfare Highly Compressed P...
💡 Always download via the Battle.net launcher or Steam to ensure file security and full access to multiplayer features.