In 2001, Microsoft introduced Windows XP (codenamed "Whistler"). The merging of the Windows NT/2000 and Windows 95/98/Me lines was achieved with Windows XP. Windows XP uses the Windows NT 5.1 kernel, marking the entrance of the Windows NT core to the consumer market, to replace the aging 16/32-bit branch. Windows XP is the longest version of Windows ever released between upgrades, from 2001 all the way to 2007 when Windows Vista was released to consumers. The Windows XP line of operating systems were surpassed by Windows Vista on January 30, 2007. Windows XP is available in a number of versions:
•"Windows XP Home Edition", for home desktops and laptops (notebooks) •"Windows XP Home Edition N", as above, but without a default installation of Windows Media Player, as mandated by a European Union ruling •"Windows XP Professional", for business and power users •"Windows XP Professional N", as above, but without a default installation of Windows Media Player, as mandated by a European Union ruling •Windows XP Media Center Edition (MCE), released in November 2002 for desktops and notebooks with an emphasis on home entertainment oWindows XP Media Center Edition 2003
oWindows XP Media Center Edition 2004
oWindows XP Media Center Edition 2005, released on October 12, 2004. •"Windows XP Tablet PC Edition", for tablet PCs (PCs with touch screens) oWindows XP Tablet PC Edition 2005
•Windows XP Embedded, for embedded systems
•"Windows XP Starter Edition", for new computer users in developing countries •Windows XP Professional x64 Edition, released on April 25, 2005 for home and workstation systems utilizing 64-bit processors based on the x86-64 instruction set (AMD calls this AMD64, Intel calls it Intel 64) •Windows XP 64-bit Edition, is a version for Intel's Itanium line of processors; maintains 32-bit compatibility solely through a software emulator. It is roughly analogous to Windows XP Professional in features. It was...