Steam will automatically download the v71288 files. Once finished, your game will be locked to this stable version, preventing automatic updates from breaking your mods. Advanced Fix: Using Steam Console (The "Depot" Method)
A unique bug in v71288 causes it to crash on Nvidia RTX 4000 series and AMD RX 7000 series GPUs because the driver reports ray tracing capabilities that the game doesn't understand. Here is the fix: subnautica v71288 download fix
Note: Version 71288 is deprecated. This guide is for archival, mod compatibility, or speedrunning purposes only. Steam will automatically download the v71288 files