This is My version of insane craft
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 (Insane slacker) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select Insane slacker from the list on the left. The launcher will handle everything else!