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Development of Windows 7

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Development of Windows 7 began when Windows Vista was released. Milestone 1, Milestone 2, and Milestone 3 were sent to Microsoft's partners in 2008. In October 2008, Microsoft gave build 6801 to PDC attendees and a public beta was released in January 2009.

The release candidate was available from April 30, 2009 for MSDN and Technet subscribers, and was released to the public on May 5, 2009. The final build of Windows 7 was released to manufacturing on July 22, 2009;[1] Technet and MSDN subscribers were able to download it on August 6. On October 22, the operating system was made generally available for public purchase.

History

In 2000, Microsoft was planning to follow up Windows XP, and its server counterpart, Windows Server 2003 (both codenamed Whistler), with a major new release of Windows, codenamed Blackcomb (both codenames refer to the Whistler-Blackcomb resort). This new version was, at that time, scheduled for a 2005 release.[2][3]

Major features were planned for Blackcomb, including an emphasis on searching and querying data, and an advanced storage system named WinFS to enable such scenarios. In this context, a feature mentioned by Microsoft co-founder Bill Gates for Blackcomb was "a pervasive typing line that will recognize the sentence that [the user is] typing in."[4]

Later, Blackcomb was delayed, and an interim, minor release, codenamed "Longhorn" (named for the Longhorn Tavern between the resorts), was announced for a 2003 release.[5] By the middle of 2003, however, Longhorn had acquired some of the features originally intended for Blackcomb, including WinFS, the Desktop Window Manager, and new versions of system components built on the .NET Framework. After the 2003 "Summer of Worms", where three major viruses − Blaster, Sobig, and Welchia − exploited flaws in Windows operating systems within a short time period, Microsoft changed its development priorities, putting some of Longhorn's major development work on hold in order to develop new service packs for Windows XP and Windows Server 2003. Development of Longhorn was also "reset" in September 2004.

See also

References

  1. ^ Protalinski, Emil (2009-07-22). "Microsoft: Windows 7 is done, on its way to manufacturers". Ars Technica. Retrieved 2009-07-22.
  2. ^ Microsoft pushes back Blackcomb to 2005
  3. ^ .Net Server: Three delays a charm?
  4. ^ Gates, Bill (2000-07-12). "Professional Developers Conference Remarks". microsoft.com. Retrieved 2008-03-05.
  5. ^ Lettice, John (2001-10-24). "Gates confirms Windows Longhorn for 2003". The Register. Retrieved 2008-03-05.
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