My account not being authorized

So I have been waiting toe halo infinte because I was busy the other times but when I loaded and signed in it said that account was not authorizedd

If you try to enter Halo Infinite Insider now, you will get that message because they have not reopened it yet. Give them time.

I’m not sure that this next flight is active yet. I assume you’ve recieved a notification on Waypoint saying you’ve been chosen for this flight, right?

The Halo Infinite Technical Preview is now offline, but will return on the evening of September 30th [PT]. A specific time has yet to be announced. There is no need to delete or uninstall your build.