If you are looking for the TurboTax software to complete a business entity return for either a SCorp (form 1120S), C Corporation (form 1120) or partnership/multi-member LLC (form 1065), you would need to use the TurboTax Business software for Windows. Here is more information: TurboTax Business
If your business is a sole proprietor or single member LLC, then your business activity is included with your personal tax return on either Schedule C, E or F (depending upon the type of business). You can use TurboTax Self-Employed (online) or TurboTax Home & Business (CD/Download) to complete those returns.
