Extract the archive and copy the .dll and .exe files into your Skyrim root folder.
Manual installation is risky. Use a tool to manage your files:
If you are looking to enhance your game, here is how to get started with mods safely. 1. Determine Your Game Version
The numbers "" and " 18 " likely refer to specific game versions or mod versions, such as the highly stable Special Edition version 1.5.97 or perhaps a misinterpretation of version 1.6.1170 (the current Anniversary Edition build). Essential Modding Guide for Skyrim (SE/AE)
Before downloading, you must know which version of Skyrim you have, as many "core" mods are version-dependent.
Quick and brainless guide to downgrading Skyrim SE to 1.5.97
Go to your game folder (usually Steam/steamapps/common/Skyrim Special Edition ).