Why I can not find any tutorial how to set up a node? Already oyrchased couns but have no idea how to start the node

Join REA Discord to get your long-awaited tutorial:
https://discordapp.com/invite/EVctjHYAre there any other ways of communication with community/devs other then discord?
Discord is perfect app for communication. I guess it is more then enough. Probably one more medium page will be needed for article publications