Installing a highly compressed repack is generally straightforward:

: Set a custom limit (e.g., 32 GB or 64 GB) to balance disk space and visual quality.

The actual storage requirements vary drastically depending on which version of the game you intend to play. Modern Warfare 3 (2011 Classic) Modern Warfare III (2023 Reboot) Highly Compressed Size ~5 GB to 8 GB ~40 GB to 60 GB Installation Time 5 to 15 minutes 1 to 3+ hours (Due to heavy decryption) Storage Medium Required HDD or SSD SSD Required

: You can opt out of downloading high-resolution texture caches, which can save up to 32 GB to 64 GB of space.

The classic version is vastly smaller by modern standards, requiring roughly of total hard drive space. What Does "Highly Compressed" Mean?

Once the files pass your checks, you can begin installation.

: Requires roughly 149 GB of SSD space at launch.

. If you download an unofficial, modified, or cracked version of the game and attempt to connect to the internet, your Activision account will be permanently banned. Lack of Updates:

Once you have located a reputable source for your download, follow these general steps to ensure a successful installation: