i have my own but cant figure it out.
“adim” is one of the secret ranks in garry’s mod you can only acquire it by completing the 4 ancient tasks from the Garry’s mod lords.
You will have to find a dragon egg on mouth doom head,
after that proceed…
Ah fuck it.
Just go and download a admin mod like UXL/ASSmod/Evolve (I recommend evolve) than look in the readme file it explains it there.
What is an “Adim”?
Like sylerr said, download an admin tool and add yourself in the admin groups file