Get early access, or sign in.
Leave a work email and a sign-in link comes back; it works once, no password to choose or forget. You get the macOS app the day it ships, and Windows follows. Free for ten interviews a month when it does. Invited by a colleague already? Same box.
This site signs you in by email. The desktop app signs in with GitHub, and lands you in your team when that GitHub account carries this address — so use the one your GitHub account knows.