I bought it twice

[TurboTax-Duncan]

Thank you for using Intuit TurboTax AnswerXexchange

There is an article in AnswerXchange which details the refund process for TurboTax. It can be found at:

https://turbotax.community.intuit.ca/questions/1190048-how-do-i-get-a-refund-for-a-turbotax-product

Hope this helps