• 1983 Microsoft Windows was first announced in November, 1983.
• 1985 Microsoft Windows version 1.0 was released in November, 1985.
• 1987 Microsoft Windows version 2.0 was released in April, 1987.
• 1990 Microsoft Windows version 3.0 was released in May, 1990.
• 1992 Microsoft Windows version 3.1 was released in April, 1992.
• 1995 Microsoft Windows 95 was released in August, 1995.
• 1998 Microsoft Windows 98 was released in June, 1998.
• 1999 Microsoft Windows 98 SE (Second Edition) was released in May, 1999.
• 2000 Microsoft Windows ME (Millennium) was released in July, 2000.
• 2001 Microsoft Windows XP was announced on February 5, 2001.

  ---

Computer History
History timeline for the years 1990 - 2000 with an emphasis on Microsoft products. Hyperlinked to more indepth material. History for 1980 - 1990
A Personal Historical Perspective
A nicely illustrated history. The author discusses using Windows 1.0 and other early GUI programs.
History of Windows
A simple and nicely illustrated history of windows.
History of Microsoft Windows
A one page summary of the history of windows.
The History of Microsoft Internet Explorer
O’Hare, now known as Internet Explorer 1.0, first shipped as an Internet Jumpstart Kit in Microsoft Plus! For Windows 95.
OS/2 History
OS/2 was the OS that IBM kept pushing Microsoft to finish. Meanwhile, Microsoft was busy improving Windows. OS/3 evolved into Windows NT.
The 1985 Comdex
Byte's "year in computing" article discusses Microsoft Excel, the 286 PCs and the new CD-ROM disk drive.