If you decide to proceed, you will need mods that match that era. Search Nexus Mods with date filters:
Run skse64_loader.exe . Skyrim should launch. Open the console ( ~ key) and type GetSKSEVersion . If it returns 2.0.7.56 , you have succeeded. skse 2.0.7.56 download
Let’s be realistic: Unless you have a specific, static mod list from 2018, . Modern modding has moved on. If you decide to proceed, you will need