Business & farm

To fill out schedule C in the Home & Business version
You can just type Schedule C into the search bar at the top of your return and it should give you a JUMP TO link to go directly to it.

To add another business or Schedule C….
Go to Business tab-Continue
Choose Jump to Full List -or I'll choose what I work on
Business Income and Expenses - Profit or Loss from Business, click Start or Update.

Or to open the actual Schedule C form......Switch to Form Mode.  Click Forms in the upper right for Windows or left for Mac.  Then click on Open Form and pick Schedule C out of the US list of forms.  See screen shot