Did you buy TurboTax Online or TurboTax CD/Download?
TurboTax Online is compatible with Mac OS, but TurboTax CD/Download is not.
If you need to request a refund, you can do so on this page: https://turbotax.community.intuit.ca/community/after-you-file-questions/help/how-do-i-get-a-refund-f...
