Microsoft OS Release Dates

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Microsoft OS Release Dates. This document is for educational / informational purposes only.

Microsoft OS Release Dates. This document is for educational / informational purposes only.

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  • 1. bcdalai's Free Tech. Support Blog: [] Microsoft OS Release Dates No great discovery was ever made without a bold guess. -Isaac Newton Experience is the name everyone gives to their mistakes. -Oscar Wilde Persistence and positive thinking to make things happen. About this article: This document is for educational / informational purposes only. About the Author: bcdalai, MCP, MCSE, MCTS: Windows Vista. The author is an IT pro working on Desktop, Server and Networking - as system administrator, Tech. Support, software troubleshooter and reviewer. He is available for tech. support in Microsoft forums, community and in other online forums with the online name bcdalai. He can be reached at: or e-mail: License: The subject matters are for system administrators and everyday computer users. This article is completely free to read, distribute (through website, CD/DVD or magazines) or share without any modification and may be reproduced in printable media with a link to this article. The article must be distributed in “Microsoft XPS” or “Adobe PDF” format. Disclaimer: This document is for educational and informational purposes. THIS DOCUMENT IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. It is assumed that you will use the contents of this document in proper and productive way. All names, websites, trade names and registered trademarks mentioned herein are the property of their respective owners. Copyright © 2004-2010 by bcdalai. Thanks: I’m greatly thankful to all the readers for reading and sending feedbacks to me. -1- © 2004-2010, bcdalai
  • 2. bcdalai's Free Tech. Support Blog: [] Microsoft OS Release Dates OPERATING SYSTEM RELEASE DATE TYPE PLATFORM OS/2 1.0 1987 16-bit Non-GUI based OS/2 1.1 1988 16-bit Non-GUI based OS/2 1.2 1989 16-bit Non-GUI based OS/2 2.0 1992 16-bit Non-GUI based Windows 1.0/1.01 November 20, 1985 16-bit Desktop Windows 2.0 December 9, 1987 16-bit Desktop Windows 3.0 May 22, 1990 16-bit Desktop Windows 3.1 April 6, 1992 16-bit Desktop Windows for Workgroups 3.1 October 27, 1992 16-bit Server Windows NT 3.1 and 3.1 Advance Server July 27, 1993 32-bit Server Windows for Workgroups 3.11 November 8, 1993 16-bit Server Windows NT 3.5 Server and Workstation September 21, 1994 32-bit Server Windows NT 3.51 Server and May 30, 1995 32-bit Server Workstation Windows 95 August 24, 1995 16 & 32-bit Desktop Windows NT 4.0 Server and Workstation August 24, 1996 32-bit Server Windows 98 June 25, 1998 16 & 32-bit Desktop Windows 98 SE May 9, 1999 16 & 32-bit Desktop Windows 2000 Professional and Server February 17, 2000 32-bit Server & Desktop Windows Me September 14, 2000 16 & 32-bit Desktop Windows XP Home and Professional October 25, 2001 32-bit Desktop Windows Server 2003 April 25, 2003 32 & 64-bit Server Windows Server 2003 R2 December 6, 2005 32 & 64-bit Server Windows XP Media Center Edition 2003 December 18, 2003 32-bit Multimedia Windows XP Media Center Edition 2005 October 12, 2004 32-bit Multimedia Windows XP Professional x64 Edition April 25, 2005 64-bit Server & Desktop Windows Fundamentals for Legacy PCs June 08, 2006 32-bit For Thin-Client (WinFLP)(XP SP2) Windows Vista (for business use) November 30, 2006 32 & 64-bit Desktop Windows Vista (for home use) January 30, 2007 32 & 64-bit Desktop Windows Home Server August 2007 32 & 64-bit Server on Home Desktop Windows Server 2008 February 27, 2008 32 & 64-bit Server Windows Server 2008 R2 October 22, 2009 64-bit only Server Windows 7 October 22, 2009 32 & 64-bit Desktop Author: bcdalai: Contact: You can also submit new info in the Blog comments or by e-mail. -2- © 2004-2010, bcdalai