Schedule C is supported in TurboTax Self-Employed (both online and in the mobile app) and in all personal 1040 versions of the TurboTax CD/Download software.
To set up your business:
Open or continue your return.
Search for schedule c and click the Jump to link in the search results.
Answer Yes to Did you have any self-employment income or expenses?
If you've already entered self-employment work and need to enter more, select Add another line of work.
You have clicked a link to a site outside of the TurboTax Community. By clicking "Continue", you will leave the Community and be taken to that site instead.