If you've found the license acceptable, you can download the program and/or it's source code here:
To ensure you can even run the game after downloading, check these requirements against your PC specs.
: You can reduce the size to about 78 GB – 79 GB by installing only the Multiplayer mode. Where to Download Safely : Steam Battle.net Launcher Microsoft Store Call of Duty: Modern Warfare 3 (2011)
Disclaimer: Ensure you are complying with copyright laws and that you own a legal copy of the game when downloading repackaged versions. Pro Tip: How to get the best experience
Before initiating your download, ensure your PC hardware can handle the game. Running a compressed installer also requires a stable processor and sufficient RAM during the extraction phase. Minimum System Requirements Windows 10 64-bit (latest update) CPU: Intel Core i5-6600 or AMD Ryzen 5 1600 RAM: 8 GB Hi-Rez Asset Cache: Up to 32 GB To ensure you can even run the game
Unofficial distribution sites often bundle compressed files with malicious software, trojans, or cryptocurrency miners that can compromise your personal data.
(either the 2011 original or the 2023 remake) often refers to "repacks"—unofficial versions that reduce file sizes for faster downloads. While these save bandwidth, they come with risks and specific setup requirements.
The game requires a 64-bit operating system and a broadband internet connection for initial setup and multiplayer. Specification Minimum (Full Game) Recommended (60 FPS High) Windows 10 64-bit Windows 10/11 64-bit CPU Intel Core i5-6600 AMD Ryzen 5 1400 Intel Core i7-6700K AMD Ryzen 5 1600X RAM GPU NVIDIA GTX 960 AMD RX 470 NVIDIA GTX 1080 Ti AMD RX 6600 XT VRAM Storage 149 GB SSD (78 GB if COD HQ is installed) 149 GB SSD (78 GB if COD HQ is installed) Call of Duty® Store | Modern Warfare III Pro Tip: How to get the best experience
Many fake download buttons bundle malicious software, adware, or crypto-miners.
Highly compressed files sometimes trigger false positives in Windows Defender or third-party antivirus software during extraction. Disable your real-time protection temporarily.
: With all high-resolution asset caches, the size can exceed 200 GB . (either the 2011 original or the 2023 remake)
: Purchase and download the game through the official Steam Store.
Before downloading that 5 GB compressed file, ensure your PC can run it.
Through the Battle.net or Steam launcher settings, you can customize your installation. If you only want to play Multiplayer, you can uncheck and completely uninstall the Campaign files and the Warzone module. This can save you roughly of drive space. 2. Disable High-Resolution Asset Streaming
If even one archive file is corrupted during a highly compressed download, the entire extraction will fail at 99%. Call of Duty: Modern Warfare 3 System Requirements