runtime 1.6.640 , you need SKSE64 version 2.2.3 . This version of the game was released in September 2022 and is widely considered one of the most stable "long-term" versions for modding within the "Anniversary Edition" (1.6.x) era. SKSE64 2.2.3 Technical Features Version Matching : Specifically compiled to interface with the SkyrimSE.exe version 1.6.640. Extended Scripting
Before 1.6.640, the modding community was deeply divided between the rock-solid 1.5.97 (pre-Anniversary Edition) and the rapidly shifting 1.6.x versions. Bethesda’s update to version 1.6 brought a compiler change that broke the Skyrim Script Extender (SKSE) and nearly every mod relying on it, leading to what many called a "mod apocalypse". skyrim skse 1.6.640
Vortex: It should automatically detect SKSE. On the Dashboard, click the three dots next to the SKSE icon and select "Make Primary". runtime 1
The Skyrim Script Extender is a tool used by modders to extend the scripting capabilities of the game. Vanilla Skyrim’s built-in system (Papyrus) is limited. SKSE allows mods to do things the base game can’t—like adding new hotkeys, creating complex UI elements, or running real-time inventory checks. Extended Scripting Before 1
Introduction
If you want the most feature-rich, stable SKSE experience today without downgrading to 1.5.97, 1.6.640 is still the best balance.