Microsoft announced last month that Windows 8 will be sold in
three editions: two for PCs powered by x86 processors and one for ARM-based tablets, called Windows RT.
The "PC versions" are divided into "Windows 8" and "Windows 8 Pro," a simplified structure that harkens back to the Windows XP days of two versions, Home and Professional. In contrast, Windows Vista and
Windows 7 came in six editions: Home Basic, Starter Edition, Home Premium, Professional, Enterprise and Ultimate.
Windows 8, put simply, will be the version for consumers, taking the place of Windows 7 Home Premium. Windows 8 Pro -- comparable to Windows 7 Professional or Enterprise -- includes encryption, virtualization, PC management and domain connectivity features. This will be the version for tech enthusiasts and IT professionals.