To prepare a corporate, trust or partnership return you would need Turbotax Business. This is a separate program from Turbotax Home and Business or the Online Self Employed version. TT Business is a program only available for desktop windows use (there is no on-line or Mac version.) And if the S-corp is a calendar year business then it is due 3/15/20 unless you put it on extension. If this is your first 1120-S form then I highly recommend you seek local professional for the first return to be educated on what is required ...
http://turbotax.intuit.com/small-business-taxes/
https://turbotax.intuit.com/small-business-taxes/forms-business.jsp
https://ttlc.intuit.com/questions/1917225-is-turbotax-business-right-for-me
