win7

Windows 7 is an operating system that was produced by Microsoft and released as part of the Windows NT family of operating systems. It was released to manufacturing on July 22, 2009, and became generally available on October 22, that year. It is the successor to Windows Vista, released two years prior. Windows 7's server counterpart, Windows Server 2008 R2, was released at the same time. The last supported version of Windows was released on July 1, 2011, entitled Windows Embedded POSReady 7. Microsoft ended mainstream support for Windows 7 and Windows Server 2008 R2 on January 13, 2015 and extended support ended on January 14, 2020. At the end of January, same year, Microsoft had ended support for websites on Internet Explorer 11. IE11 is only supported on Windows Server 2012 and Windows Embedded 8 Standard.Windows 7 was primarily intended to be an incremental upgrade to Microsoft Windows, addressing Windows Vista's poor critical reception while maintaining hardware and software compatibility. Windows 7 continued improvements on Windows Aero (the user interface introduced in Windows Vista) with the addition of a redesigned taskbar that allows applications to be "pinned" to it, and new window management features. Other new features were added to the operating system, including libraries, the new file sharing system HomeGroup, and support for multitouch input. A new "Action Center" interface was also added to provide an overview of system security and maintenance information, and tweaks were made to the User Account Control system to make it less intrusive. Windows 7 also shipped with updated versions of several stock applications, including Internet Explorer 8, Windows Media Player, and Windows Media Center.
In contrast to Windows Vista, Windows 7 was generally praised by critics, who considered the operating system to be a major improvement over its predecessor due to its increased performance, its more intuitive interface (with particular praise devoted to the new taskbar), fewer User Account Control popups, and other improvements made across the platform. Windows 7 was a major success for Microsoft; even prior to its official release, pre-order sales for the operating system on the online retailer Amazon.com had surpassed previous records. In just six months, over 100 million copies had been sold worldwide, increasing to over 630 million licenses by July 2012. As of April 2020, 21.21% of traditional PCs running Windows are running Windows 7 (and thus 16% of all traditional PCs), which still has well over 45% market share in some countries.

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