Skyrim Update 1.6.640 Direct
SKSE (Skyrim Script Extender) hooks into the game executable at specific memory addresses and function offsets. Bethesda's update to VS2022 :
For many players, 1.6.640 is considered a for modding. Because newer updates (1.6.1130+) significantly altered the .esl limit and internal file formats, many modders choose to downgrade their game back to 1.6.640 to maintain compatibility with their existing load orders. skyrim update 1.6.640