If you did not purchase the CD from TurboTax then take it back to the retailer for a refund.
If you purchased it from TurboTax -
Go to this TurboTax website to request a refund for the software purchased from TurboTax - https://support.turbotax.intuit.com/forms/refund-request.jsp
Go to this TurboTax website for the online editions - https://turbotax.intuit.com/personal-taxes/online/
