The small business program (TT Business) is for 1120 Corporation, 1120S Corp, 1065 Partnership or 1041 Estate/Trust returns and will not do your personal 1040 return. Itis a separate program from the Desktop Home & Business program or the Online Self Employed version.
Turbo Tax Businessis 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 onyour computer at the same time.