The Form 1120-S is available.
You have to use the TurboTax Business Edition to complete and file a S Corporation tax return.
Go to this TurboTax website for the Business Edition - https://turbotax.intuit.com/small-business-taxes/cd-download/
The Business Edition can only be installed on a Windows based personal computer. The edition cannot be used to complete a personal tax return, Form 1040.
