The fixed hdtSMP64.dll must be placed in your Data/SKSE/Plugins/ directory.
This specific fix addresses the "Version Mismatch" error that occurs when the Skyrim Script Extender (SKSE) version does not align with the installed physics plugin. FSMP - Faster HDT-SMP 1.6.353 Fix
To use this fix effectively, ensure the following environment is set up: The fixed hdtSMP64
Specifically designed for Skyrim SE/AE v1.6.353 . FSMP - Faster HDT-SMP 1.6.353 Fix