Launcher configuration

Location

The launcher config file is located in your game directory under launcher/config.json. To edit it you have to open the file with a text editor (notepad, notepad++, vs code..).

• Directoryiw4x/

  • …
• Directorylauncher

  • config.json
• Directorymain/

  • …
• iw4x.exe
• ..

Config format

The config is a JSON file, if you are unsure you can use a JSON Formatter to make sure its valid before running the launcher.

{
  "update_only": false,
  "skip_self_update": false,
  "force_update": false,
  "args": "-stdout",
  "cdn_url": "",
  "offline": false,
  "testing": false,
  "disable_art": false,
  "dxvk": false
}

Config values

Explanation of available config values.

update_only

Default value: false
If set to true the Launcher will only update and not launch the game.

skip_self_update

Default value: false
If set to true the Launcher will not check for Launcher updates - IW4x will still be updated.

force_update

Default value: false
If set to true the Launcher will recalculate file hashes instead of using cached hashes.

args

Default value: "-stdout"
Arguments to be passed to iw4x.exe. See Command line arguments for more details.

cdn_url

Default value: ""
Override CDN url.

offline

Default value: false
Run the Launcher in Offline mode if set to true.

testing

Default value: false
Install updates from the testing branch if set to true.

disable_art

Default value: false
Setting to true disables the IW4x ASCII art in the Launcher.

dxvk

Default value: false
Install DXVK for improved performance on newer AMD graphics cards if set to true.
Note: To disable set back to false and delete d3d9.dll and dxvk.conf