simples mente fui no site do modpack crazy craft 3.0 e baixei e coloquei nesse launcher!
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 (Crazy Craft Original 3.0) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select Crazy Craft Original 3.0 from the list on the left. The launcher will handle everything else!