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Windows XP, which is the next version of Windows NT after Windows 2000 and the successor to the consumer-oriented Windows Me, has been released in several editions since its original release in 2001. Windows XP is available in many languages. [1] In addition, add-ons translating the user interface are also available for certain languages. [2]

A new 64-bit edition supporting the x86-64 architecture, called Windows XP Professional x64 Edition, was released in April of the same year. Microsoft also targeted emerging markets with the 2004 introduction of Windows XP Starter Edition, a special variant of Home Edition intended for low-cost PCs.

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 originally developed by AMD as AMD64; Intel calls their version Intel 64. Internally, XP x64 was a somewhat updated version of Windows based on the Server 2003 codebase.

In computer architecture, 64-bitintegers, memory addresses, or other dataunits[a]are those that are 64 bitswide. Also, 64-bit CPUsand ALUsare those that are based on processor registers, address buses, or data busesof that size. A computerthat uses such a processor is a 64-bit computer.