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All 32-bit editions of Windows Vista, excluding Starter, support up to 4 GB of RAM. The 64-bit edition of Home Basic supports 8 GB of RAM, Home Premium supports 16 GB, and Business, Enterprise, and Ultimate support 128 GB of RAM. [19] All 64-bit versions of Microsoft operating systems impose a 16 TB limit on address space.
All editions except Windows Vista Starter support both the 32-bit architecture and the additional 64-bit instruction set extensions, which Vista was the first consumer home release of Windows to support. [41] [96] Intel IA-64 Itanium support however is exclusively limited to the Vista-based Windows Server 2008.
Comparison of Microsoft Windows versions. 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).
A "personal computer" version of Windows is considered to be a version that end-users or OEMs can install on personal computers, including desktop computers, laptops, and workstations. The first five versions of Windows– Windows 1.0, Windows 2.0, Windows 2.1, Windows 3.0, and Windows 3.1 –were all based on MS-DOS, and were aimed at both ...
Web Edition (32-bit) Enterprise Edition (32 and 64-bit) Datacenter Edition (32 and 64-bit) Small Business Server (32-bit) Storage Server (OEM channel only) Windows Server 2003 R2, an update of Windows Server 2003, was released to manufacturing on December 6, 2005. It is distributed on two CDs, with one CD being the Windows Server 2003 SP1 CD.
Older 32-bit drivers and services are not supported by 64-bit Windows, but video and audio codecs such as XviD or OggDS (which are 32-bit DLLs), are supported as long as the media player that uses them is 32-bit as well. 64-bit Windows does not include NTVDM or Windows on Windows, so there is no native support for the execution of MS-DOS or 16 ...
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v. t. e. Microsoft Windows XP Professional x64 Edition is an edition of Windows XP for x86-64 personal computers. It was released by Microsoft on April 25, 2005, around the same time as with the x86-64 versions of Windows Server 2003. It is designed to use the expanded 64-bit memory address space provided by the x86-64 architecture.