According to the PotBS Website:

The Pirates of the Burning Sea Stress Test Event is scheduled to begin today, Thursday, November 15 until 10:00 a.m. Monday, November 19th.

We will notify our fans once FilePlanet keys can be applied. While we don’t anticipate a delay, you will not be able to apply your FilePlanet key until they are acitivated.

Players who are interested in participating need to set sail for FilePlanet to sign up for the weekend play test.

Once registered, players will be taken to a page with both a link to the Pirates installer and a Stress Test key. Again, you will not be able apply this key until they have been activated- we’ll keep you posted.