Windows XP was a release of the Microsoft Windows operating system, and was made available on October 25, 2001. "XP" stands for eXPerience.
Windows XP has been both criticized (for poor performance, significant security vulnerabilities, poor DOS backwards compatibility, and other issues) and praised as one of the best, cleanest operating systems from Microsoft. Interestingly, when Windows Vista debuted, many organizations chose to retain XP in favor of the newer system. Vista was perceived seen as being of lower quality by many, at least in part because Windows Vista had poor hardware driver support for computer technology at the time of its release and suffered poor memory optimization (which was eventually fixed with the first service pack update). Windows XP was held onto by many individuals, organizations, and government agencies as long as was possible. However, on April 8, 2014, Microsoft declared the end-of-lie for Windows XP, and stopped public support of the system. Without security patches, new hardware support, and other maintenance, it was soon abandoned by most. In the end, Windows XP was burdened by three service packs, and hundreds of other updates and patches.
Microsoft first began development of "Windows Neptune" in 1999, a version of Windows that was to be the first version of Windows based on the Windows NT Kernel for use by consumers. Development of Windows Odyssey, which was to be a replacement for Windows 2000 Professional, also began in the 20th century. Microsoft merged projects Windows Neptune and Windows Odyssey in early 2000 to create project Whistler, named after the Whistler Blackcomb Ski Resort in Whistler, British Columbia. There were several beta and pre-beta builds or Whistler released to testers from February 2000 to the time Windows XP was officially released to the general public in October, 2001. Windows XP is programmed in the C, C++, and assembly programming languages.
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