Know about Windows XP _Part 1_

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					Windows XP
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"Windows Experience" redirects here. For Windows Experience Index, see
Windows System Assessment Tool.
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Windows XP
Part of the Microsoft Windows family
Microsoft Windows XP logo and wordmark.svg
Windows XP SP3.png
Screenshot of Windows XP
Microsoft Corporation
Initial release October 25, 2001; 11 years ago [info]
Stable release    5.1 (Build 2600: Service Pack 3) (April 21, 2008; 4
years ago) [info]
Source model      Closed source, Shared source[1]
License     Proprietary commercial software
Kernel type       Hybrid
Update method     Windows Update
Windows Server Update Services (WSUS)
System Center Configuration Manager (SCCM)
Platform support IA-32, x86-64 and Itanium
Preceded by       Windows Me and Windows 2000
Succeeded by      Windows Vista
Support status
Mainstream support      Ended on April 14, 2009[2]
Extended support Extended Support until April 8, 2014 for Windows XP with
Service Pack 3 and Windows XP x64 Edition with Service Pack 2[2]
Downgrade support       Available until end of Windows 7 lifecycle[3]
Further reading

    Development of Windows XP
    Features new to Windows XP
    Windows XP editions
    Criticism of Windows XP

Windows XP is an operating system produced by Microsoft for use on
personal computers, including home and business desktops, laptops and
media centers. First released to computer manufacturers on August 24,
2001,[4] it is the second most popular version of Windows, based on
installed user base.[5] The name "XP" is short for "eXPerience",[6]
highlighting the enhanced user experience.[7]

Windows XP, the successor to Windows 2000 and Windows Me, was the first
consumer-oriented operating system produced by Microsoft to be built on
the Windows NT kernel. Windows XP was released worldwide for retail sale
on October 25, 2001, and over 400 million copies were in use in January
2006.[8] It was succeeded by Windows Vista in January 2007. Direct OEM
and retail sales of Windows XP ceased on June 30, 2008. Microsoft
continued to sell Windows XP through their System Builders (smaller OEMs
who sell assembled computers) program until January 31, 2009.[9][10] On
April 10, 2012, Microsoft reaffirmed that extended support for Windows XP
and Office 2003 would end on April 8, 2014 and suggested that
administrators begin preparing to migrate to a newer OS.[11][12][13]

The NT-based versions of Windows, which are programmed in C, C++, and
assembly,[14] are known for their improved stability and efficiency over
the 9x versions of Microsoft Windows.[15][16] Windows XP presented a
significantly redesigned graphical user interface, a change Microsoft
promoted as more user-friendly than previous versions of Windows. A new
software management facility called side-by-side assembly was introduced
to ameliorate the "DLL hell" that plagued 9x versions of Windows.[17][18]
It is also the first version of Windows to use product activation to
combat illegal copying.

During Windows XP's development, the project was codenamed "Whistler",
after Whistler, British Columbia, as many Microsoft employees skied at
the Whistler-Blackcomb ski resort.[19]

According to web analytics data generated by W3Schools, from September
2003 to July 2011, Windows XP was the most widely used operating system
for accessing the w3schools website, which they claim is consistent with
statistics from other websites. As of August 2012, Windows XP market
share is at 24.8% after having peaked at 76.1% in January 2007.[5]

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Description: These are the documents which tells you about Windows operating systems. These will tell you about Windows XP, Windows Vista, Windows 7 and Windows 8.