When you have a disc drive and can actually install from the physical CD, the CD has the software for Mac or Windows. But the downloads are specific to either Mac or Windows. If you need to install to both Windows and Mac, you need help from customer support to get the right download.
To call TurboTax customer support
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
Customer support is available from 5 a.m. to 9 p.m. Pacific time daily
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
