How do I get the Fate of Atlantis DLC for free?

Log into your PS4 account And download the first episode of Assassin's Creed Odyssey Fate Of Atlantis. There is a store for the PSN. Search the fields of elysium From the menu, click on the one that says "Assassin's Creed Odyssey - Fields of Elysium". Add it to your basket. Click to place an order