The Desktop program? You can only install it on a full Windows or Mac computer. And by Business do you mean the personal Home & Business program or the separate Business program?
Turbo Tax Business is not available to do online or on a Mac. You can buy the Window's version here. And you can have both TT Business and TT Home & Business (or any personal version) installed on your computer at the same time. Buy Turbo Tax Business here
TurboTax® Business CD/Download 2021-2022 Desktop Software, File Business Taxes
