Important
Only legitimate copies of the game, obtained from Steam, are supported.
Copies from the Microsoft Store are incompatible!
- Download Call of Duty: Modern Warfare 2 from Steam
- Download the latest IW4x launcher
- Move the launcher to the game folder and run it
Detailed installation instructions are available here
Tip
The config file is located at <game_dir>/launcher/config.json
| Config Key | Default Value | Description |
|---|---|---|
update_only | false | Update only, don't launch IW4x |
skip_self_update | false | Don't update the launcher |
force_update | false | Force file re-check |
args | "-stdout" | Arguments passed to the game, default is -stdout |
cdn_url | "" | Specify custom CDN url |
offline | false | Run in offline mode |
testing | false | Install from testing branch (IW4x & Launcher) |
disable_art | false | Disable ASCII art |
dxvk | false | Install DXVK for better AMD performance |
| Argument | Description |
|---|---|
--path, -p | Game install path |
--config, -c | Custom config path, default is ./launcher/config.json |
--update, -u | Update only, don't launch IW4x |
--force, -f | Force file re-check |
--args | Arguments passed to the game, default is -stdout |
--skip-self-update | Don't update the launcher |
--ignore-required-files | Don't check for required game files |
--skip-connectivity-check | Disable CDN rating and use default CDN |
--offline | Run in offline mode |
--testing | Install from testing branch (IW4x & Launcher) |
--rate | Rate CDN servers and print results |
--cdn-url | Specify custom CDN url |
--disable-art | Disable ASCII art |
--dxvk | Install DXVK for better AMD performance |
See CONTRIBUTING.md for details.