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How To Install Call Of Duty Modern Warfare 3 On Pc Now

The original dedicated servers for MW3 multiplayer have been merged into the Call of Duty HQ launcher. To play multiplayer:


  • Install Steam (if not already installed)

  • Install the game

  • Post-installation


  • Before hitting "download," ensure your system meets the requirements. The good news: this game is over a decade old. A basic office laptop from 2020 can run it. However, the multiplayer mode (especially the Special Ops survival mode) requires a stable CPU. how to install call of duty modern warfare 3 on pc

    Minimum Requirements:

    Pro Tip: While the game runs on Windows 11, you may need to enable DirectPlay (a legacy Windows component). We will cover that in the troubleshooting section. The original dedicated servers for MW3 multiplayer have


    You have two main options:

    If you are tight on storage, use the "Modify Install" feature in Battle.net: Install Steam (if not already installed)

  • FOV: The default is 65 (fish-eye tunnel). Change seta cg_fov "80" (don’t go over 90 or weapon models clip).
  • Audio: If voice chat is deafening, turn seta voiceVolume "0.3" in config.

  • One of the most confusing aspects of the modern CoD launcher is that it bundles Warzone, Modern Warfare II, and Modern Warfare III together. You do not need to download all of them.

  • Pro Tip: If you only want to play the Campaign, uncheck Multiplayer and Warzone. This will save you over 100GB of hard drive space.
  • If you are feeling nostalgic for the original MW3, the process is much more straightforward, but it is handled differently on Steam versus Battle.net.