Windows XP Professional x64 Edition

Apr 19, 2026 - 09:08
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Windows XP Professional x64 Edition

← Previous revision Revision as of 03:36, 19 April 2026
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{{Windows XP|float=right}}
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'''Windows XP Professional x64 Edition''' is an [[Windows XP editions|edition]] of [[Windows XP]] that supports the [[x86-64]] architecture, released alongside the x86-64 versions of [[Windows Server 2003]] on April 25, 2005. It is designed to use the expanded 64-bit memory address space provided by the x86-64 64-bit extensions to the x86 IA-32 architecture,{{cite press release |url=http://news.microsoft.com/2005/04/25/microsoft-raises-the-speed-limit-with-the-availability-of-64-bit-editions-of-windows-server-2003-and-windows-xp-professional/ |title=Microsoft Raises the Speed Limit with the Availability of 64-Bit Editions of Windows Server 2003 and Windows XP Professional |publisher=[[Microsoft]] |date=April 25, 2005 |access-date=September 10, 2015}} which was implemented by [[AMD]] as "AMD64", found in AMD's [[Opteron]], [[Athlon 64]] chips (and in selected [[Sempron]] processors), and implemented by [[Intel]] as "Intel 64" (formerly known as IA-32e and EM64T), found in some of Intel's [[Pentium 4]] and most of Intel's later chips since the [[Intel Core|Core]] series.
'''Windows XP Professional x64 Edition''' is an [[Windows XP editions|edition]] of [[Microsoft]] [[Windows XP]] operating system that supports the [[x86-64]] architecture. It was released on April 25, 2005 alongside the x86-64 versions of [[Windows Server 2003]].

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Windows XP Professional x64 Edition is designed to use the expanded 64-bit memory address space provided by the x86-64 64-bit extensions to the x86 IA-32 architecture,{{cite press release |url=http://news.microsoft.com/2005/04/25/microsoft-raises-the-speed-limit-with-the-availability-of-64-bit-editions-of-windows-server-2003-and-windows-xp-professional/ |title=Microsoft Raises the Speed Limit with the Availability of 64-Bit Editions of Windows Server 2003 and Windows XP Professional |publisher=[[Microsoft]] |date=April 25, 2005 |access-date=September 10, 2015}} which was implemented by [[AMD]] as "AMD64", found in AMD's [[Opteron]], [[Athlon 64]] chips (and in selected [[Sempron]] processors), and implemented by [[Intel]] as "Intel 64" (formerly known as IA-32e and EM64T), found in some of Intel's [[Pentium 4]] and most of Intel's later chips since the [[Intel Core|Core]] series.


Windows XP Professional x64 Edition uses the same kernel and code tree as Windows Server 2003{{cite web | url=http://support.microsoft.com/kb/888733 | title=A description of the x64-based versions of Windows Server 2003 and of Windows XP Professional x64 Edition (Revision 3.8) | publisher=[[Microsoft]] | work=Support | date=October 11, 2007 | access-date=January 12, 2011 |quote=The x64-based versions are based on the Windows Server 2003 code tree. Service and support activities for these versions use the Windows Server 2003 tree and do not use the Windows XP client tree.}} and is serviced by the same service packs.{{cite web|last1=Oiaga|first1=Marius|title=64-Bit Windows XP Service Pack 3? Don't think so... at least for now|url=http://news.softpedia.com/news/64-Bit-Windows-XP-Service-Pack-3-73982.shtml|website=[[Softpedia]]|publisher=SoftNews|access-date=15 October 2014|date=14 December 2007}} However, it includes client features of Windows XP such as [[System Restore]], [[Windows Messenger]], [[Fast User Switching]], Welcome Screen, [[Security and Maintenance|Security Center]] and games, of which Windows Server 2003 does not have.
Windows XP Professional x64 Edition uses the same kernel and code tree as Windows Server 2003{{cite web | url=http://support.microsoft.com/kb/888733 | title=A description of the x64-based versions of Windows Server 2003 and of Windows XP Professional x64 Edition (Revision 3.8) | publisher=[[Microsoft]] | work=Support | date=October 11, 2007 | access-date=January 12, 2011 |quote=The x64-based versions are based on the Windows Server 2003 code tree. Service and support activities for these versions use the Windows Server 2003 tree and do not use the Windows XP client tree.}} and is serviced by the same service packs.{{cite web|last1=Oiaga|first1=Marius|title=64-Bit Windows XP Service Pack 3? Don't think so... at least for now|url=http://news.softpedia.com/news/64-Bit-Windows-XP-Service-Pack-3-73982.shtml|website=[[Softpedia]]|publisher=SoftNews|access-date=15 October 2014|date=14 December 2007}} However, it includes client features of Windows XP such as [[System Restore]], [[Windows Messenger]], [[Fast User Switching]], Welcome Screen, [[Security and Maintenance|Security Center]] and games, of which Windows Server 2003 does not have.
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