: Once downgraded, you must set Steam to "Only update this game when I launch it" and always launch the game through to prevent it from auto-updating back to the new version. Nexus Mods Forums "Extra Quality" Visual Improvements
Steam usually handles this automatically. If you are stuck on an older version, verify your game files in the Steam library. Mod Managers: Mod Organizer 2 to manage quality plugins safely. Performance Note: