1. History of Windows Operating System

2. Windows 1.0 Debuted in 1985 First version of Windows that was set up to use bitmap displays and mouse pointing devices http://ebaumsworld.com/2006/07/ballmerwindows.html

3. Windows 1.0 cont

4. Windows 2.0 1987 Expanded memory Improved graphics Inter-application communication capabilities through Dynamic Data Exchange (DDE)

5. Windows 2.0 cont

6. Windows 3.0 1990 Improved performance Advanced graphics with 16 colors Full support of the more powerful Intel 386 processor Offered useful features such as –Program Manager –File Manager –Print Manager

7. Windows 3.0

8. Windows NT 3.1 Released to manufacturing July 27, 1993 First Windows operating system to combine support for high-end, client/server business applications with the industry's leading personal productivity applications. "Windows NT represents nothing less than a fundamental change in the way that companies can address their business computing requirements," Bill Gates

9. Windows NT 3.1 cont

10. Windows for Workgroups 3.11 1993 Superset of Windows 3.1 Added peer-to-peer workgroup and domain networking support Windows-based PC’s were now network- aware & became a big part of the client/server computing evolution

11. Windows NT Workstation 3.5 1994 Provided highest degree of protection for business applications & data Helped power high-end applications for software development, engineering, financial analysis, scientific, & business- critical tasks

12. Windows 95 Introduced in 1995 Integrated a 32-bit TCP/IP for built-in internet support, dial up networking, & new Plug and Play capabilities

13. Windows 95 cont

14. Windows NT Workstation 4.0 1996 Increased ease of use & simplified management, higher network throughput, & tools for developing and managing intranets. Windows NT Workstation 4.0 included the popular Windows 95 user interface yet provided improved networking support for easier and more secure access to the Internet and corporate intranets.

15. Windows 98 1998 Designed specifically for consumers users could find information more easily on their PCs as well as the Internet Other ease-of-use improvements included the ability to open and close applications more quickly, support for reading DVD discs, and support for universal serial bus (USB) devices.

16. Windows 98 cont

17. Windows 98 Second Edition 1999 It offered consumers a variety of new and enhanced hardware compatibility and Internet-related features SE helped improve users' online experience with the Internet Explorer 5.0 browser technology and Microsoft Windows NetMeeting® 3.0 conferencing software

19. Windows Millennium Edition (Windows Me) Came out 2000 Offers people numerous music, video, and home networking enhancements and reliability improvements. Windows Me was the last Microsoft operating system to be based on the Windows 95 code base. Microsoft announced that all future operating system products would be based on the Windows NT and Windows 2000 kernel.

21. Windows 2000 Professional designed to replace Windows 95, Windows 98, and Windows NT Workstation 4.0 on all business desktops and laptops. added major improvements in reliability, ease of use, Internet compatibility, and support for mobile computing.

22. Windows 2000 Professional cont simplified hardware installation by adding support for a wide variety of new Plug and Play hardware, including advanced networking and wireless products, USB devices, IEEE 1394 devices, and infrared devices.

23. Windows XP Released October 2001 merged its two Windows operating system lines for consumers and businesses, uniting them around the Windows 2000 code base. The "XP" in Windows XP stands for "experience,“

24. Windows XP cont home users can work with and enjoy music, movies, messaging, and photos with their computer while business users can work smarter and faster, thanks to new technical- support technology and fresh user interface

25. Windows XP Professional 2001 enhancing reliability, security, and performance. including remote desktop support, an encrypting file system, and system restore and advanced networking features. Key enhancements for mobile users include wireless 802.1x networking support, Windows Messenger, and Remote Assistance.

27. Windows XP Home Edition 2001 offers such enhancements as the Network Setup Wizard, Windows Media Player, Windows Movie Maker, and enhanced digital photo capabilities.

28. Windows XP 64-bit Edition Released 2001 first 64-bit client operating system from Microsoft, Windows XP 64-Bit Edition is designed for specialized, technical workstation users who require large amounts of memory and floating point performance in areas such as movie special effects, 3D animation, engineering, and scientific applications.

29. Windows XP Media Center Edition Released October, 2002 all the benefits of Windows XP Professional, Media Center Edition adds fun digital media and entertainment options, enabling home users to browse the Internet, watch live television, communicate with friends and family, enjoy digital music and video collections, watch DVDs, and work from home.

31. Windows XP Tablet PC Edition Revealed in November 2002 Includes digital pen for handwriting recognition capabilities Mouse and keyboard capability In addition, users can run their existing Windows XP applications. The result is a computer that is more versatile and mobile than traditional notebook PCs.

33. References http://www.microsoft.com/windows/WinHis toryDesktop.mspxhttp://www.microsoft.com/windows/WinHis toryDesktop.mspx Video http://www.youtube.com/watch?v=ozTtfgE vskc&mode=related&search=http://www.youtube.com/watch?v=ozTtfgE vskc&mode=related&search=