Did you purchase desktop software for a computer that does not meet the system requirements?
To request a refund for a TT product
https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-refunds/request-refund-turbotax-p...
You can still use online software if your computer does not meet the requirements for the desktop download. You cannot pay for online software using the license key, though. Online is priced very differently.
ONLINE 2024
https://turbotax.intuit.com/personal-taxes/online/
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**