This guide will show you how to set yourself as a superadmin in your server.
- Join your game server.
- Press the up arrow until the dialog with your user id appears.
- Take note of your user id.
- Go to your Game Control Panel and open Run RCon Command.
- Type in setgroup USER_ID superadmin, Replace USER_ID with your ingame user id.
- Run the command and wait for it to finish.
- Ingame, try an admin command such as /noclip to test if you have admin priviledges.