: Navigate to your main game folder (Right-click Subnautica in Steam > Manage > Browse local files ) and delete everything inside.
Once installed, launch the game. You should see "v71288" in the bottom-left corner of the main menu. If you see a newer number, the fix failed, and Steam updated past the legacy branch. subnautica v71288 download fix
: If the standard beta branch doesn't work, advanced users use the Steam Console : Navigate to your main game folder (Right-click
Step-by-Step Fixes for Subnautica v71288 Download/Update Issues the fix failed
If you're having trouble with the game crashing, I can suggest some specific settings changes you can make.