Skyrim Skse 1.6.640 — ~upd~

When using this specific game version, several "foundation" mods must also match the 1.6.640 runtime:

Right-click SkyrimSE.exe , go to Details, and check the product version. If it says 1.6.640, ensure your SKSE is version 2.2.3. If your game automatically updated to a later version (like 1.6.1130 or 1.6.1170 via Steam), you must either update SKSE or use the Downgrade Patcher to return to 1.6.640. Game Crashes Immediately on Startup (CTD) skyrim skse 1.6.640

available on Nexus Mods. There are different options: "Best of Both Worlds" downgrades the executable while keeping the newer Creation Club content files, which is often the preferred method. When using this specific game version, several "foundation"

Steam frequently pushes small updates that break your setup. To lock your game at 1.6.640, open Steam and right-click Skyrim Special Edition. Go to Properties, select Updates, and set it to As long as you launch via your mod manager or skse64_loader.exe , Steam will not trigger an update. If you want to customize this setup further, let me know: Which mod manager you prefer (Vortex or Mod Organizer 2?) Game Crashes Immediately on Startup (CTD) available on