You can find your purchase history by selecting this link and you can search by last name/phone/credit card or by order number/billing ZIP: https://shop.turbotax.intuit.com/commerce/orderstatus/orderstatus.jsp?viewContext=myAccount

Doesnt work cant find my purchace activity and audit defense for 2019

Please see the following link for more information on Audit Defense and how you can get assistance.

Audit Defense membership information and contact