| Microsoft Windows History | |
| Year | Event |
|---|---|
| 1983 | Bill Gates announced Microsoft Windows on November 10, 1983. |
| 1985 | Microsoft Windows 1.0 is introduced on November 20, 1985, and is initially sold for $100.00. |
| 1987 | Microsoft Windows 2.0 was released on December 9, 1987, and is initially sold for $100.00. |
| 1987 | Microsoft Windows/386 or Windows 386 is introduced on December 9, 1987, and is initially sold for $100.00. |
| 1988 | Microsoft Windows/286 or Windows 286 is introduced in June 1988, and is initially sold for $100.00. |
| 1990 | Microsoft Windows 3.0 was released on May, 22 1990. Microsoft Windows 3.0 full version was priced at $149.95 and the upgrade version was priced at $79.95. |
| 1991 | Following its decision not to develop operating systems cooperatively with IBM, Microsoft changes the name of OS/2 to Windows NT. |
| 1991 | Microsoft Windows 3.0 or Windows 3.0a with multimedia was released in October 1991. |
| 1992 | Microsoft Windows 3.1 was released in April 1992 and sells more than one million copies within the first two months of its release. |
| 1992 | Microsoft Windows for Workgroups 3.1 was released in October 1992. |
| 1993 | Microsoft Windows NT 3.1 was released on July 27, 1993. |
| 1993 | Microsoft Windows 3.11, an update to Windows 3.1 was released on December 31, 1993. |
| 1993 | The number of licensed users of Microsoft Windows now totals more than 25 million. |
| 1994 | Microsoft Windows for Workgroups 3.11 was released in February 1994. |
| 1994 | Microsoft Windows NT 3.5 was released on September 21, 1994. |
| 1995 | Microsoft Windows NT 3.51 was released on May 30, 1995. |
| 1995 | Microsoft Windows 95 was released on August 24, 1995, and sells more than one million copies within 4 days. |
| 1995 | Microsoft Windows 95 Service Pack 1 (4.00.950A) was released on February 14, 1996. |
| 1996 | Microsoft Windows NT 4.0 was released on July 29, 1996. |
| 1996 | Microsoft Windows 95 (4.00.950B) aka OSR2 with FAT32 and MMX support was released on August 24, 1996. |
| 1996 | Microsoft Windows CE 1.0 was released in November 1996. |
| 1997 | Microsoft Windows CE 2.0 was released in November 1997. |
| 1997 | Microsoft Windows 95 (4.00.950C) aka OSR2.5 was released on November 26, 1997. |
| 1998 | Microsoft Windows 98 was released in June 1998. |
| 1998 | Microsoft Windows CE 2.1 was released in July 1998. |
| 1998 | In October 1998, Microsoft announced that future releases of Windows NT would no longer have the initials of NT and that the next edition would be Windows 2000. |
| 1999 | Microsoft Windows 98 SE (Second Edition) was released on May 5, 1999. |
| 1999 | Microsoft Windows CE 3.0 was released in 1999. |
| 2000 | On January 4th, 2000, at CES, Bill Gates announced the new version of Windows CE will be called Pocket PC. |
| 2000 | Microsoft Windows 2000 was released on February 17, 2000. |
| 2000 | Microsoft Windows ME (Millennium) was released on June 19, 2000. |
| 2001 | Microsoft Windows XP was released on October 25, 2001. |
| 2001 | Microsoft Windows XP 64-Bit edition (Version 2002) for Itanium systems was released on March 28, 2003. |
| 2003 | Microsoft Windows Server 2003 was released on March 28, 2003. |
| 2003 | Microsoft Windows XP 64-Bit edition (Version 2003) for Itanium 2 systems was released on March 28, 2003. |
| 2003 | Microsoft Windows XP Media Center edition 2003 was released on December 18, 2003. |
| 2004 | Microsoft Windows XP Media Center edition 2005 was released on October 12, 2004. |
| 2005 | Microsoft Windows XP Professional x64 edition was released on April 24, 2005. |
| 2005 | Microsoft announced its next operating system, code-named “Longhorn” will be named Windows Vista on July 23, 2005. |
| 2006 | Microsoft released Microsoft Windows Vista to corporations on November 30, 2006. |
| 2007 | Microsoft released Microsoft Windows Vista and Office 2007 to the general public on January 30, 2007. |
| 2008 | Microsoft released Microsoft Windows Server 2008 to the public on February 27, 2008. |
| 2009 | Microsoft released Windows 7 on October 22, 2009. |
| 2012 | Microsoft released Windows Server 2012 on September 4, 2012. |
| 2012 | Microsoft released Windows 8 on October 26, 2012. |
| 2015 | Microsoft released Windows 10 on July 29, 2015. |
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