Skse 16640 Link ((free)) -

. This version was specifically released to maintain compatibility with the "Anniversary Edition" update of that specific runtime. Essential Download Links

Ensure you are not running the game through the Steam "Play" button. Use your mod manager (Vortex or MO2) to set skse64_loader.exe as the primary executable. skse 16640 link

If you see 2.2.5 or 2.2.3 , those also work with 1.6.640 but are older. not into Data .

Grab the .7z file from the link above.

skse64_2_02_03.7z (Official Silverlock Archive) skse 16640 link

By staying on 1.6.640 and "locking" the version, you prevent Steam from automatically updating your game and breaking your entire mod list. Common Issues & Fixes

Copy into your Skyrim Special Edition folder (where SkyrimSE.exe is located), not into Data .