• Installation
• Supported Games
• Command line arguments
• Config file
• Building from Source
• Support

Windows | Debian/Ubuntu | Other Linux OS | macOS

1. Download the game from Steam.
2. Download the appropriate version of the AlterWare launcher:
   • Windows 64-bit: Download the latest alterware-launcher.exe.
   • Windows 32-bit: Download the latest alterware-launcher-x86.exe.
3. Place the alterware-launcher.exe in the game directory.
4. Run alterware-launcher.exe. After updating, the game will launch automatically.

1. Download the game from Steam using either SteamCMD or the official Steam desktop app.
2. Follow the instructions provided in this forum post to install the alterware-launcher using our self-hosted APT repository.
3. Once installed, run the launcher from your game directory to download the client files automatically.

1. Download the game from Steam using either SteamCMD or the official Steam desktop app.
2. Download the latest release corresponding to your system architecture.
   • Most likely you want alterware-launcher-x86_64-unknown-linux-gnu.tar.gz
3. Unpack the archive and copy the alterware-launcher executable to your game directory.
   • Alternatively, you can place it in your PATH so you can run it from anywhere. For example, in /usr/local/bin/
4. Make the launcher executable: chmod +x alterware-launcher
5. Run the launcher from your game directory to download the client files: ./alterware-launcher

1. Download the game from Steam using either SteamCMD or the official Steam desktop app.
2. Download the latest alterware-launcher.
3. Once installed, run the launcher from your game directory to download the client files automatically. For updates, use the launcher from the terminal with the --update command-line argument as explained in this guide.

IW4x
Call of Duty: Modern Warfare 2 - Multiplayer

IW4-SP
Call of Duty: Modern Warfare 2 - Singeplayer

IW5-Mod
Call of Duty: Modern Warfare 3 - Singleplayer, SpecOps

IW6-Mod
Call of Duty: Ghosts

S1-Mod
Call of Duty: Advanced Warfare

• iw4-sp, iw4x, iw5-mod, iw6-mod, s1-mod
  • Skip automatic detection and launch the specified game
    • Must be the first argument if used
• --help
  • Print help
• --update, -u
  • Update the game without launching it
• --skip-launcher-update
  • Skip updating the launcher
• --bonus
  • Download bonus content (default)
• --skip-bonus
  • Don't download bonus content
• --force, -f
  • Force file hash recheck
• --path, -p
  • Set the game installation path
    • Do not include a trailing backslash in the path
• --pass
  • Pass additional arguments to the game
    • See client-args.md for more details
• --version, -v
  • Print the launcher version
• --ignore-required-files
  • Install client even if required files are missing
• --skip-redist
  • Skip installing redistributables
• --redist
  • Install or reinstall redistributables

alterware-launcher.exe iw4x --bonus -u --path "C:\Games\IW4x" --pass "-console"

• update_only: Set to true to only update the game. Default: false.
• skip_self_update: Skip launcher updates. Default: false.
• download_bonus_content: Automatically download bonus content. Default: false.
• ask_download_bonus_content: Ask before downloading bonus content. Default: false.
• force_update: Force file recheck. Default: false.
• args: Pass additional arguments to the game. Default: "".
• use_https: Use HTTPS for downloads. Default: true.
• skip_redist: Skip redistributable installations. Default: false.

See CONTRIBUTING.md for details.

Need help or have questions? We're here to help you!

• AlterWare Forum: Visit our official forum for in-depth discussions, troubleshooting, and community support.
• Discord Community: Join our Discord server for real-time chat, quick questions, and to connect with other users.