You'll likely have to phone TurboTax Support. They may need to give you a new license number.
If a voice robot asks for your issue to route your call, try saying "license activation" or "installation issue".
FAQ: What is the TurboTax phone number?
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632
