All the TurboTax online editions, Including Live, do not support completing a Form 1120-S.
However, if you are referring to a Schedule K-1 (Form 1120S) that is only supported in the online editions of either Premium or Premium Live.
As shown on this TurboTax website the Schedule K-1 (Form 1120S) will be available on 02/21/2024 - https://form-status.app.intuit.com/tax-forms-availability/formsavailability?albRedirect=true&product...
