Open Concept updated to version 1.1.3
This update is the start of the official release of Open Concept. We will update to 1.2.0 when our server pack releases. Thanks!
Type in the modpack name (Open Concept) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select Open Concept from the list on the left. The launcher will handle everything else!