How is schedule K-1 generated from form 1120S?

[LinaJ2018]

If you are referring to how to generate a schedule K-1 from a S-corporation, you would need to use TurboTax Business desktop edition to do that. 

https://turbotax.intuit.com/small-business-taxes/

If you are a shareholder of a S-corporation and receive a schedule K-1, you would need to enter it to your TurboTax Premier edition.  Here are the steps:

After sign into your account, select Take me to my return,

At the right upper corner, in the search box, type in schedule k-1, s corporations

Select Jump to schedule k-1, s corporations

On the screen, Did you receive any Schedules K-1?  select Yes to continue