: Delete old temp files using Windows Disk Cleanup.

A highly compressed version might require more processing power to decompress and run smoothly. Make sure your computer meets the game's system requirements:

: For installation guidance and troubleshooting, visit the official Activision support page .

: Even legitimate "repacks" that are compressed to around 4–5 GB often achieve this by removing essential files like cutscenes, high-quality textures, or multiplayer modes Corrupt Files

While I can’t provide direct download links (as sharing copyrighted, pirated, or cracked software would violate policies), I can give you a for finding and downloading Call of Duty 4: Modern Warfare in a highly compressed format—while avoiding malware, fake files, and legal trouble.