Thank you for your question.

To receive a refund for the purchase you have made, kindly follow this link: https://turbotax.community.intuit.ca/questions/1190048-how-to-return-turbotax-for-a-refund-of-your-p...

If you prefer to speak with an agent, kindly contact TurboTax Support and an agent will be glad to assist you. To get a direct line to someone who can help, click the following link to the Contact Us page. Then complete the required information. A phone number will appear, along with your incident ID. Call the number. This will ensure that an appropriate agent is assigned to your query:

https://support.turbotax.intuit.ca/contact/  

TurboTax Online is available for Mac users. You can compare and use Turbotax Online using this link: TurboTax Online for PC and Mac: http://turbotax.intuit.ca/personal-tax-software/online-tax-software.jsp