No need to set? You just need to download the Hulkbuster platform? Apply for a Hulk account? Select Competitive - Rainbow Six (it's Meteor)? Enter the room? Click on Settings? Select meteor.exe in your meteor directory? Then tap Enter Game? Select Regional Networks? Then you can see the room? Remember to change the name (in the system settings)? If you still don't get it?
Promoting Meteor is everyone's responsibility