“If you are an Amazon 2016 Pre-order, Amazon Pre-order, Alpha Tester, or Beta Sign Up, you will receive an invitation email with a new Steam code granting you access to New World Preview. If you are a Steam Pre-order customer, you will automatically have access. Be sure to check your Game Library on August 21, 2020 at 10:00 AM PT (1:00 PM ET) for New World Preview to install the game in advance of the event. Please be advised that you will not be able to log in to a world and get started playing until August 25, 2020 at 9:00 AM PT (12:00 PM ET).”
Content retrieved from: https://massivelyop.com/2020/08/20/new-worlds-preview-event-next-week-wont-have-an-nda-will-dispatch-invites-in-waves/.