Navigate to your Skyrim Special Edition folder (usually C:\Program Files (x86)\Steam\steamapps\common\Skyrim Special Edition ). Find the file named . Right-click on it and select Properties . Switch to the Details tab. Look at the Product version line. It must read 1.6.640 . Step-by-Step Installation Guide
In the extracted SKSE folder, open the folder named , and then open Scripts . Highlight all the .pex files inside.
SKSE 16640 Link: Download & Install Guide for Skyrim SE 1.6.640
This happens if you accidentally downloaded the SKSE version meant for version 1.5.97 (Pre-AE) or version 1.6.1130+ (Latest Steam update). Double-check your SkyrimSE.exe properties and ensure you downloaded SKSE v2.2.3. 2. Steam Updated My Game Past 1.6.640 skse 16640 link
This means the game is running, but the SKSE scripts are missing or installed in the wrong location.
If you want, I can:
The Skyrim SE 1.6.640 SKSE Guide: Downloads, Installation, and Troubleshooting Navigate to your Skyrim Special Edition folder (usually
skse64_2_02_03.7z (This is the build version that matches game version 1.6.640). How to Check if You Need Version 1.6.640 Before installing, verify your Skyrim version:
You need to find where SkyrimSE.exe is stored on your computer.
The only safe and official source for SKSE is the website. For version 1.6.640, you are looking for the Current Anniversary Edition build . Official Download: skse.silverlock.org Switch to the Details tab
Use the official link above. Do not use third-party rehosts.
Using an older or newer version of SKSE (such as builds meant for 1.5.97 or 1.6.1170) will cause the game to crash on startup. How to EASILY install Skyrim Script Extender (SKSE)
This version of Skyrim Special Edition (often called "Anniversary Edition") is favored by many modders because it has a wide range of compatible SKSE-dependent mods Actor Limit Fix Legacy of the Dragonborn 2. Installation Steps