H&R Block TaxCut Back Editions 2008 has four editions. Three editions are available for Mac and Windows systems. These editions include Premium, Premium + State and TaxCut State. The Premium edition offers ability to add state program, worry-free audit support, and optional features for a fee such as deduction pro and one Ask A Tax Advisor session. Premium + State edition offers one state program, worry-free audit support , optional feature for Windows only for an additional charge called WILLPower, and two optional features for both systems with additional fees- deduction pro and an Ask A Tax Advisor session. TaxCut State edition only offers one personal state program. The Home & Business edition features one personal state program, unlimited business state programs, worry-free audit support, and two optional features with additional fees: deduction pro and home & business attorney software.