Good Evening. Because for Tax year 2016: Mac OS X v10.9 or higher (64-bit is
required), you will need to upgrade to that for the C/D/Download
Version. However, you can use a Turbo Tax Online version. I have included articles below to assist you in transferring last years tax information into an online version. https://ttlc.intuit.com/replies/3299949 https://ttlc.intuit.com/replies/4831158