For the C Corp you will need the TurboTax Business Edition. The Business Edition can only be installed on a Windows based personal computer, not on a Mac or online. The Business Edition cannot complete a personal tax return, Form 1040.
Go to this TurboTax website to pre-order the 2019 Business Edition - https://turbotax.intuit.com/small-business-taxes/
For a personal tax return, any of the TurboTax desktop CD/Download editions can be used. Recommended for any type of self-employment, the Home & Business edition.
Go to this TurboTax website to pre-order one of the 2019 desktop CD/Download editions - https://turbotax.intuit.com/personal-taxes/cd-download/
