Install OA.SYS

Step 1

Installing a modpack using the Technic Launcher is easy. If you don't already have the launcher downloaded, visit our download page to get the latest version.

Step 2

Type in the modpack name (OA.SYS) or paste the following url into the search box.

Step 3

Finally, click Install at the bottom right of the launcher after you select OA.SYS from the list on the left. The launcher will handle everything else!