MineTek 4 updated to version dev-3.1.0
Removed Enchanting Plus.
Removed Liquid XP.
Removed Pneumatic Craft. (Because Community Manager Void can't pronounce it.)
Removed Logistics Pipes (The Lag will kill us all.)
Removed Steves Carts.
Type in the modpack name (MineTek 4) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select MineTek 4 from the list on the left. The launcher will handle everything else!