that was produced by
for use on
home and business desktops,
. It was first released in August 2001, and is the most popular version of
, based on installed user base. The name "XP" is short for "eXPerience."
Windows XP was the successor to both
, and was the first consumer-oriented operating system
produced by Microsoft to be built on the
Windows NT kernel
Though other versions of Windows XP exist, the two most commonly used versions are:
Home Edition, which is intended to succeed the Windows 95, 98, and Me family
Professional Edition, which is intended to succeed the Windows NT and 2000 family
Microsoft has announced that it will provide security patches and updates to Windows XP until April 2014.
Windows XP was eventually released for two additional architectures,
Windows XP 64-bit Edition
Windows XP Professional x64 Edition
. There is also
Windows XP Embedded
, a component version of the
Windows XP Professional, and editions for specific markets such as Windows XP Starter Edition. By mid 2009, a manufacturer
revealed the first Windows XP powered cellular telephone.
-based versions of Windows, which are programmed in
, are known for their improved stability and
efficiency over the
. Windows XP presented a significantly redesigned
graphical user interface
change Microsoft promoted as more user-friendly than previous versions of Windows. A new software management facility called
was introduced to ameliorate the "
" that plagues 9x versions of Windows. It is also the first
version of Windows to use
During development, the
project was codenamed
, as many Microsoft employees
skied at the
data generated by
, as of October 2010, Windows XP is the most widely used operating
system for accessing the Internet in the world with a 48.9% market share, having peaked at 76.1% in January 2007.
Windows XP was originally brought into being as an operating system which would combine the best features of the
latest business operating system of the time, Windows 2000, which by then was quite mature and evolved, having had a few years
of use in the business community, and Windows 98 Second Edition (SE), which was far and away the most robust version of a
home-use operating system prior to XP. Many users prefer to remain with Windows XP, rather than upgrade to Windows Vista.