While the term "highly compressed exclusive" often appears on third-party sites, these versions are not officially supported. Authentic ways to minimize the game's footprint include using the modular installation features provided by Activision Support via the Battle.net launcher. Official PC System Requirements

If you are looking to save space or improve performance without risking your hardware, consider these official methods: Selective Installation:

Which (Campaign, Multiplayer, or Zombies) you plan to play most

for PC might sound like a great way to save hard drive space, these files are often extremely risky and frequently illegitimate.

Non-English language audio files and multiplayer maps are often separated into optional downloads so you only download what you intend to play. Step-by-Step Installation Guide

Temporarily disable your Windows Defender or third-party antivirus, as compression scripts are frequently flagged as false positives.