into the addons folder. Ensure the folder structure is correct (e.g., addons/your_mod_name/lua , models , etc.). Restart the game to load the new content. Popular Mobs & NPC Addons
(.zip or .rar) and extract it using a program like WinRAR or 7-Zip .
This is the standard way to "skachat" (download) mobs directly into the game. and navigate to your Library . Select Garry's Mod and click on the Workshop tab.