Big news in the next few days for UMS, it's not dead!
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.
Type in the modpack name (Ultra Modded-Survival) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select Ultra Modded-Survival from the list on the left. The launcher will handle everything else!