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How do I install Workshop addons on my GMod server?

The Workshop Addon Manager page in your panel (Workshop Search in the sidebar) supports two ways to install content: browsing for individual addons, or loading a full Workshop collection.

To install a single addon, open Workshop Search and stay on the Browse tab. Type a keyword and press Enter to search Steam Workshop, then click Install on the result you want. It shows up in the Installed tab, and is downloaded automatically the next time your server starts.

To use a Workshop collection, create or find a collection on Steam and copy its collection ID from the URL. Switch to the Collection tab on the Workshop Addon Manager page and paste that ID into the Workshop Collection ID field. The panel lists every addon in the collection; click Write to Server to save it. When you update the collection on Steam, you can refresh and re-write to pick up new or removed addons.

You can combine both approaches: a collection for your core content plus individually browsed-and-installed addons on top.

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