No you cannot delete your Pottermore account and start over. You can delete your account and create a new one but you will not be able to use any of the old information from the previous account.

Yes, you can retake Pottermore. However, it is not recommended that you retake the quiz because your scores will not be saved.

You can’t delete your old Pottermore account. You can, however, delete your old email address so that you won’t receive emails from them anymore.

To delete your 2020 Pottermore account, go to the “My Account” page and click the “Delete Account” button.

JK Rowling is not in any house.

Pottermore is a website that was created by J.K. Rowling for Harry Potter fans to explore the world of Harry Potter and learn more about the characters and objects they love. You can create your own character on Pottermore, choose their house, and take online lessons to find out more about the wizarding world.

Pottermore was an online interactive experience that was created by J.K. Rowling and hosted on pottermore.com. The site launched in April 2012 and allowed users to explore the world of Harry Potter and the Wizarding World, as well as take part in a number of activities including sorting themselves into one of four houses, dueling with other users, and completing lessons about Hogwarts and the wizarding world.Pottermore closed in March 2018.

No, you cannot change your house on the Wizarding World.

To redo your wand, you must first go to the Wand Chooser.

On Pottermore 2020, you can only be sorted into Gryffindor if you answer the most difficult question on the quiz correctly.