For small and medium enterprises to use, higher performance, more simple, more safety, including Windows 7 home premium edition all the functions, can be networked, backup, security and other further office support, and can be compatible with Windows XP

The Canadian ski resort of Blackcomb as the development codename Windows operating system was initially planned for the Windows XP and Windows Server 2003 subsequent editions. The Blackcomb program is the main characteristics of emphasizing data searching and matching with the name WinFS advanced file system. But in 2003, along with the development codename Longhorn transitional simplified version of the proposed plan was delayed, Blackcomb. [1]

In 2003, Longhorn has some of the original plan appears in Blackcomb characteristics. In 2003, three in the Windows operating system on the viral outbreak caused serious harm, Microsoft changed its focus to the development, part of the Longhorn on the main development plans on hold, and for Windows XP and Windows Server 2003 to develop new service pack. Windows Vista development work to be " reset ", or said in 2004 September to postpone, many features have been removed. [2]

At the beginning of 2006, Blackcomb was renamed to Vienna[3], and then again in 2007 called Windows Seven. In 2008, Microsoft announced 7 as a formal name, now the final of 7 -- Windows.

In 2008 January, the selected Microsoft Partner releases the first published version of Milestone 1, building 6519. In 2008 the PDC ( Professional Developers Conference, Professional Developers Conference ), Microsoft released Windows 7 new jobs and the start menu, and at the end of the meeting issued a form 6801, but published new work and not listed in this version are.

In December 27, 2008, Windows 7 Beta through BitTorrent leakage to the network. ZDNet in this version to do a test run, it in a number of key over Windows XP and Windows Vista, including startup and shutdown time consuming, archives and files opened; in January 7, 2009, 64-bit Windows 7 Beta ( formed 7000 ) was leaked to the Internet, and in many torrent files attached to the Troy Trojan virus. In 2009 the International Consumer Electronics Show ( CES ), Microsoft CEO Steve Balmer ( Steve Ballmer ) release of the Windows 7 Beta has provided a ISO image to MSDN and TechNet users download; the version in January 9, 2009 and open to the public. Microsoft expects the download times can achieve 2500000 person-time, but because the flow rate is too high, the download time is thus delaying. The beginning, Microsoft will download extended to January 24th, then postponed to February 10th. Not before 10 February download complete people will have two days to extend the deadline. After February 12th, the unfinished download work would not be able to continue, but people can still be downloaded from Microsoft website achieve product serial number. The preview version will begin on July 1, 2009 every few hours of automation shut-down, and in August 1st the same year expired. In April 30, 2009, RC ( Release Candidate ) version ( form 7100 ) provided to the Microsoft Developer Network and TechNet paid users to download; opened May 5th mass download. It also has leaked to the network through BitTorrent. The version of RC is available in five languages, and will begin on March 1, 2010 and every two hours of automation shut-down, and in June 1st the same year expired. According to Microsoft, the final version of Windows 7 will be held 2009 holiday shopping season release. In June 2, 2009, Microsoft confirmed that Windows 7 will be released in October 22, 2009, and also released the Windows Server 2008 R2. In late July 2009, Windows 7 retail version available to manufacturers as a random assignment system sales or testing purposes. And in October 22, 2009 11 am ( UTC-4 ) by Microsoft CEO Steve Balmer officially launched in New York conference.

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