Use software like Parallels Desktop or VMware Fusion to run Windows alongside macOS.
Intuit does a native version of TurboTax Business for Mac, and there is no official "free download" for this specific professional-tier software. Use software like Parallels Desktop or VMware Fusion
If you must use a Mac to file business taxes with this software, you can only do so by creating a Windows environment on your computer: Use software like Parallels Desktop or VMware Fusion