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Windows XP x64 Edition ships with both 32-bit and 64-bit versions of Windows Explorer. [20] The 32-bit version can become the default Windows Shell. [24] Windows XP x64 Edition also includes both 32-bit and 64-bit versions of Internet Explorer 6, so that users can still use browser extensions or ActiveX controls that are not available in 64-bit ...
For the same reason, Service Pack 2 for Windows XP x64 Edition, released on the March 13, 2007, is not the same as Service Pack 2 for 32-bit versions of Windows XP. [43] In fact, due to the earlier release date of the 32-bit version, many of the key features introduced by Service Pack 2 for 32-bit (x86) editions of Windows XP were already ...
Windows Server 2003 is available for IA-32, Itanium, and x64 processors. It supports a maximum of 32 physical processors on IA-32 platform or 64 physical processors on x64 and IA-64 hardware. IA-32 variants of this edition support up to 64 GB of RAM. [41] With Service Pack 2 installed, the x64 variants support up to 1 TB while the IA-64 ...
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]
Although the installation media included in retail packages is a 32-bit DVD, customers needing a CD-ROM or customers who wish for a 64-bit install media can acquire this media through the Windows Vista Alternate Media program. [103] The Ultimate edition includes both 32-bit and 64-bit media. [104]
The Extended Security Updates program for Windows Embedded POSReady 7 ended on October 8, 2024, marking the final end of IA-32 updates on the Windows NT 6.1 product line after more than 15 years. [9] In August 2019, Microsoft announced it would offer a year of 'free' extended security updates to some business users. [119] [120]
Microsoft introduced Windows Server 2008 R2 at the 2008 Professional Developers Conference as the server variant of Windows 7, based on the Windows NT kernel.. On January 7, 2009, a beta release of Windows Server 2008 R2 was made available to subscribers of Microsoft's TechNet and MSDN programs, as well as those participating in the Microsoft Connect program for Windows 7.
It is the first server operating system by Microsoft to exclusively support 64-bit processors, while consumer-oriented versions of Windows maintained 32-bit support until Windows 11 in 2021. It is also the final version of Windows Server that supports IA-64 -based processors.