How to login as Admin?

GTA V version? v791.1 (Online v1.35)
Up to date? Yes
Legit or Pirate copy? Legit
Steam/CD/Social Club? Steam
Windows version? Windows 10
Im in game , I got my server online , My server is in the list , BUT HOW DO I LOGIN AS A ADMIN? , I still dont understand how to login as an admin? Because i wanna know how to do admin shit , Tips?

Multiple topics about this.