Get your taxes done using TurboTax

What they don't tell you is that if you want to download to a MAC and a WIN program you must buy the CD which has both program install functions on it.  When you buy a download you must choose either WIN or MAC.  Now in the past they have allowed you to call in for the other OS download (which was gratis)  however since that required a new license code which would allow another 5 efilings that practice may have been stopped.