If you are looking to start modding on 1.6.640, the best way to proceed is by setting up Mod Organizer 2 and ensuring you download the correct version of SKSE64. Skyrim:Special Edition Patch - UESP Wiki
As Skyrim continues to receive occasional updates, the community's "best practice" may shift. However, 1.6.640 remains a rock-solid choice for players who prioritize stability over Bethesda's latest changes.
Released on September 6, 2022, this update was part of the post-Anniversary Edition support cycle. skyrim special edition 16640 verified
A major advantage of version 1.6.640 is its great support for SKSE DLL mods. However, you still need to ensure you are downloading the correct files. Here's a practical guide:
The Nexus Modding Wiki maintains a comprehensive compatibility tracker that shows which SKSE-based mods work with each game version. This is an invaluable resource when building your modlist. If you are looking to start modding on 1
Formally, any Skyrim runtime starting with 1.6.x is treated by the modding ecosystem as "Anniversary Edition". This means that if your game version reads 1.6.640, you must download the AE version of core utilities like the Skyrim Script Extender (SKSE) and individual script-heavy .dll mods.
For Skyrim SE version , you need SKSE64 build 2.2.3 available at skse.silverlock.org . The website lists this as the "Current Anniversary Edition build 2.2.3 (game version 1.6.640)". Released on September 6, 2022, this update was
Re-run Nemesis/FNIS after installing mods. Ensure your animation framework is compatible with 1.6.640.
To keep your build stable on this version, ensure you use these specific versions of core tools:
In late 2021, Bethesda released the Anniversary Edition (AE). This update forced a compiler upgrade (from Visual Studio 2015 to Visual Studio 2019), which completely broke compatibility for dll-based SKSE plugins. The community was fractured into "SE purists" (1.5.97) and "AE adopters" (1.6.x).