: It works seamlessly with the standard version of SSE Engine Fixes without complex .toml editing required by newer builds. If you'd like, I can:

For , you should use SKSE64 version 2.2.3 . Key Version Details SKSE64 Version: 2.2.3 (or 2.02.03). Game Version Compatibility: This build is specifically for Skyrim Special Edition 1.6.640 (Steam). Release Context: While Skyrim Anniversary Edition

If you are searching for 1.6.640 specifically , you are likely a modder who refuses to update to 1.6.1170 because a critical mod (like .NET Script Framework or NGIO) never got updated for the latest version.