What is Windows 8?

Windows 8, Microsoft's next-generation operating system, a family of operating systems produced by Microsoft for use on personal computers, including home and business desktops, laptops, netbooks, tablet PCs, servers, and media center PCs. It adds support for  system-on-a-chip and mobile ARM processors. Its user interface has been changed to make it better suited for touch screen input in addition to the traditional mouse and keyboard input. A computer running Windows 8 can boot up much faster than Windows 7. New features also include USB 3.0 support, the Windows App Store, the ability to run Windows installation from USB drives and others.

See: Windows 95, Windows 98, Windows NT, Windows 2000, Windows XP, Windows 2003, Windows Vista, Windows Server 2008, Windows 7