What operating system and version are you using?
Those are 2 different products that are not interchangeable. A license activation code is ONLY for desktop software; it will not work online.
Here's how to reach TurboTax Support to work out a resolution for your issue.
Support hours are 5AM-9PM Pacific (8AM-12 Midnight Eastern), 7 days/week
Indicate you have a billing issue to get to the right department.
FAQ: What is the TurboTax phone number?
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632
