A:AnswerTurboTax is good for 1 year. Each year the rules change so you would purchase a new version of TurboTax. 1 state is usually included with the purchase.
A:AnswerYes it runs on Mac Version OIS X 10.7 I have been using it on my Mac for 2 yrs now and have found no problems.
It runs just as smooth as it does on the Windows platform.
A:AnswerYou can do multiple returns using this. Each one would be filed separately and you normally pay a fee for each return Federal or State that you file.
