Sos 1.6.640 -

Guide :: Revert SSE to version 1.6.640 or 1.6.1130 - Steam Community

: Users quickly found that the version of SoS intended for 1.6.353 or earlier would cause the game to crash on 1.6.640 because the SKSE plugin was "stale". The "Lite" Alternative : Many players shifted to using sos 1.6.640

Download the "All-in-one" Anniversary Edition version. Guide :: Revert SSE to version 1