What type of business? If you need to complete a Partnership, S Corp, C Corp, Multi-member LLC or an Estate and Trust tax return then you will have to use the TurboTax Business Edition.
The Business Edition can only be installed on a Windows based personal computer. The Business Edition cannot complete a personal tax return, Form 1040
Go to this TurboTax website for the Business Edition - https://turbotax.intuit.com/small-business-taxes/