: These launchers also handle updates automatically upon startup.
For a visual walkthrough on how to access and install specific legacy versions of the game, check out this guide: subnautica-update-84-installation-tutorial
If you are playing on a modern platform, the update should be applied automatically without manual intervention. : These launchers also handle updates automatically upon
: Press Win + R and type steam://open/console . subnautica-update-84-installation-tutorial
: Your console will prompt you to download the update before launching the game while connected to the internet. Manual Downgrade to Update 84 (Advanced Users)
If you are looking for Update 84 specifically to maintain compatibility with older mods or for speedrunning purposes, you can manually revert your game version using the Steam Console.