This is the latest version, it has the latest bugfixes but also with possible yet undetected bugs so it might be unstable for some users. Usually you should use the newest recommended version which is tested completely so it should be always stable.
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 (Forge 1.18.2 - 40.1.84) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select Forge 1.18.2 - 40.1.84 from the list on the left. The launcher will handle everything else!