Are you an Advantage customer with an annual subscription? If so, you should already have complimentary downloads in your account. You can retrieve at this link:
https://shop.turbotax.intuit.com/commerce/account/secure/login.jsp?pagecontext=download
Otherwise, if you are not an Advantage member, here's how to contact TurboTax Support in regards to a lost CD to ask for a download:
Use the form at the link below to be assigned a phone number or schedule a callback. The number will not display when they are closed. This time of year they are open 5AM-5PM Pacific (8AM-8PM Eastern) Mon-Fri.
https://support.turbotax.intuit.com/contact
