Add Tempo to your server
Pick the bot for your sport: Tempo Football for College Football and Madden, Tempo Hoops for NBA 2K. They are separate Discord applications, so add the one you actually need. A subscription to one does not unlock the other.
The button opens Discord's own authorization screen. Pick the server your league runs in and confirm. You need permission to add apps to that server, normally Manage Server, so if you are not the owner, the owner may have to do this step for you.
That screen asks for eight permissions, and Discord Administrator is not one of them. The FAQ lists every one and what it is for.
Adding the bot is free. Nothing is charged at this step.