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  2. Windows XP Professional x64 Edition - Wikipedia

    en.wikipedia.org/wiki/Windows_XP_Professional_x...

    Windows XP Professional x64 Edition is an edition of Microsoft's Windows XP operating system for x86-64 personal computers. It was released on April 25, 2005, alongside the x86-64 versions of Windows Server 2003 .

  3. Windows XP editions - Wikipedia

    en.wikipedia.org/wiki/Windows_XP_editions

    A machine running Windows XP Professional x64 Edition cannot be directly upgraded to Windows Vista, because the 64 bit Vista DVD mistakenly recognizes XP x64 as a 32-bit system. XP x64 does qualify the customer to use an upgrade copy of Windows Vista or Windows 7, but it must be installed as a clean install.

  4. List of Microsoft Windows versions - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft_Windows...

    Windows XP: Whistler: October 25, 2001 NT 5.1 Windows XP Starter; Windows XP Home; Windows XP Professional; 2600 IA-32: April 8, 2014 Windows XP 64-bit Edition; Itanium: Freestyle: October 29, 2002 Windows XP Media Center Edition; IA-32: Harmony: September 30, 2003 Windows XP Media Center Edition 2004; Symphony: October 12, 2004 Windows XP ...

  5. Windows XP - Wikipedia

    en.wikipedia.org/wiki/Windows_XP

    The first, Windows XP 64-Bit Edition, was intended for IA-64 systems; as IA-64 usage declined on workstations in favor of AMD's x86-64 architecture, the Itanium edition was discontinued in January 2005. [57] A new 64-bit edition supporting the x86-64 architecture, called Windows XP Professional x64 Edition, was released in April 2005. [58]

  6. Comparison of Microsoft Windows versions - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_Microsoft...

    Microsoft Windows is the name of several families of computer software operating systems created by Microsoft.Microsoft first introduced an operating environment named Windows in November 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces (GUIs).

  7. Microsoft Windows version history - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Windows_version...

    On April 25, 2005, Microsoft released Windows XP Professional x64 Edition and Windows Server 2003, x64 Editions in Standard, Enterprise and Datacenter SKUs. Windows XP Professional x64 Edition is an edition of Windows XP for x86-64 personal computers. It is designed to use the expanded 64-bit memory address space provided by the x86–64 ...