Open beta for New World starts on Thursday September 9 at 16.00 hours (cest) and continue until Monday September 13 08.59 hours (cest). You don’t need to own the game to participate.
Interested players will be able to request access beginning on Wednesday September 8 at 16.00 hours (cest) on the Steam store page where a new item will show up. It will look just like the Pre-Purchase New World section and it will read something like Join the New World Playtest with a green button stating Request Access you will have to click. When the Open Beta begins on the 9th, you will receive an email to whichever email you have tied to your Steam account, letting you know that you can now download and play in the New World Open Beta.