Install Arma 3 Workshop mods from the control panel, then make sure the server command line loads the mod folders. Client-side gameplay mods normally go in the -mod startup option so players can see and load them from the Arma 3 launcher.
- Open your Arma 3 server in the control panel.
- Click Steam Workshop.
- Search for the mod you want to install. The Workshop page should show mod cards with Install and More Information buttons.

- Install the Workshop item and wait for the task to complete.
- Click Commandline Manager.
- Check the selected command line and make sure the installed client mod folder is included in
-mod.
- If you need a custom startup line for several mods, use How to create a custom command line for your Arma 3 server.
- Restart the server.
For server-only mods that players do not need to load, use the separate server-side mods article in this category.
