Manually - silvervirus/ModdingWikiCollection GitHub Wiki
Step Four Manual Installing Mods Method.
Next Step Locate your Game Folder Steam(https://github.com/silvervirus/ModdingWikiCollection/wiki/Step-Five)
Pre-Prep Steps
Select Extract Software
Winrar(https://www.win-rar.com/download.html?&L=0)
WinZip(https://www.winzip.com/en/download/winzip/)
7Zip(https://www.7-zip.org/download.html)
Windows Explore(comes with operating system)
Next Step Locate your Game Folder Steam(https://github.com/silvervirus/ModdingWikiCollection/wiki/Step-Five)