The TurboTax online and desktop editions are separate program with separate price points.
Go to this TurboTax website to request a refund for the software purchased from TurboTax - https://support.turbotax.intuit.com/forms/refund-request.jsp
Use this TurboTax website to check your orders and payments -
https://turbotax.intuit.com/personal-taxes/cd-download/order-status/
See this TurboTax support FAQ for minimum requirements using Max OS - https://ttlc.intuit.com/community/system-requirements/help/minimum-system-requirements-for-turbotax-...
