Windows 7 is an operating system produced by Microsoft for use on
personal computers, including home and business desktops, laptops,
netbooks, tablet PCs, and media center PCs; Windows 7 was released to
manufacturing on July 22, 2009, and reached general retail availability
worldwide on October 22, 2009, less than three years after the release
of its predecessor, Windows Vista. Windows 7's server counterpart,
Windows
