To complete and file a S Corp tax return, Form 1120-S, you will have to use the TurboTax Business Edition. The Business Edition can only be installed on a Windows based personal computer, not online or on a Mac. The Business Edition cannot be used to complete a personal tax return, Form 1040.
Go to this TurboTax website for the Business Edition - https://turbotax.intuit.com/small-business-taxes/
