However, as Windows 8 introduces significant changes in its user interface and is optimized for touch-screen devices, Windows 7 remained available for purchase until 2014, and ended support on January 14, 2020. On October 26, 2012, Windows 7 was superseded by Windows 8. Windows 7's server counterpart, Windows Server 2008 R2, was released at the same time.

Windows 7 was released to manufacturing on July 22, 2009, and reached general retail availability on October 22, 2009, less than three years after the release of its predecessor, Windows Vista. Windows 7 (codenamed Windows 7 ) is a major release of the Microsoft Windows series of operating systems developed by Microsoft for use with personal computers, tablets, and other devices. See Support lifecycle for exceptions and details. Extended Security Updates are available in annual installments via OEMs at most through Janufor eligible Professional and Enterprise volume licensed editions, through Octofor Windows Embedded Standard 7, and through Octofor Windows Embedded POSReady 7. Microsoft Edge will continue to be the supported browser for Windows 7 from Januthrough January 12, 2023. Installing Service Pack 1 is required to receive updates and support after April 9, 2013. Extended support ended on January 14, 2020. Mainstream support ended on January 13, 2015.

Windows 7 enterprise release date