1. Download SAM first 2. Remove any admin mod you had and its extensions (e.g. ULX). 3. Extract the sam folder to the garrysmod/addons folder. 4. Go to garrysmod/addons/sam/lua and configure sam_config.lua 5. Start your server, join it and return to the server console, now type sam setrank User_Nickname superadmin 6. Now you are done, you can open the menu by typing !menu in chat or by opening the console and typing sam menu.