Microsoft announced Windows 1.0 in 1985 to provide a graphical user interface for PCs. Major releases included Windows 3.0 in 1990 which offered improved performance and graphics, and Windows 95 in 1995 which integrated internet support. Windows NT was released in 1993 as the first 32-bit operating system combining high-end business and personal applications. Subsequent releases refined features for business and home users. The latest versions are Windows 7 and Windows Server 2008.

1. WEL COME

2. WINDOWS FAMILY On November 10, 1983, Microsoft announced Microsoft Windows, an extension of the MS-DOS operating system that would provide a graphical operating environment for PC users. With Windows, the graphical user interface (GUI) era at Microsoft had begun.

3. WINDOWS DESKTOP PRODUCTS WINDOWS 1.0,2.0 WINDOWS 3.0------------3.1 Windows NT Server 3.5 ,3.51 Windows 95 Windows NT Workstation 4.0 Windows 98 Windows NT Server 4.0, Terminal Server Edition Windows 98 Second Edition Windows Millennium Edition Windows XP Windows Server 2003 Windows Vista Windows Server 2008 Coming next: Windows 7

5. 1985: Windows 1.0 The first version of Windows provided a new software environment for developing and running applications that use bitmap displays and mouse pointing devices. Windows, PC users relied on the MS-DOS method of typing commands at the C prompt (C:\). With Windows, users moved a mouse to point and click their way through tasks, such as starting applications. In addition, Windows users could switch among several concurrently running application. Such as notepad, calculator, clock, MS-DOS.

6. 1987: Windows 2.0 Windows 2.0 took advantage of the improved processing speed of the Intel 286 processor, expanded memory, and inter-application communication capabilities made possible through Dynamic Data Exchange (DDE). With improved graphics support and use keyboard combinations to move rapidly through Windows operations. Many developers wrote their first Windows–based applications for this release.

7. 1990: Windows 3.0 The third major release of the Windows platform from Microsoft offered improved performance, advanced graphics with 16 colors, and full support of the more powerful Intel 386 processor. Windows 3.0, which offered a wide range of useful features and capabilities, including: Program Manager, File Manager, and Print Manager. An improved set of Windows icons. A completely rewritten application development environment.

9. 1993: Windows NT 3.1 Windows NT was the first Windows operating system to combine support for high-end, client/server business applications with the industry's leading personal productivity applications. Windows NT 3.1 was a 32-bit operating system . New features included a preemptive multitasking scheduler for Windows–based applications, domain server security. support for multiple processor architectures, and the NTFS file system.

11. Windows for Workgroups 3.11 A superset of Windows 3.1, Windows for Workgroups 3.11 added peer-to-peer workgroup and domain networking support. Windows for Workgroups was used in local area networks (LANs) and on standalone PCs and laptop computers. It added features of special interest to corporate users, such as centralized configuration and security, significantly improved support for Novell NetWare networks, and remote access service (RAS).

13. 1993: Windows NT Advanced Server 3.1 Windows NT Advanced Server 3.1 was launched in July 1993 as a dedicated server for a client/server environment. It provided the power, scalability, enhanced fault tolerance. It was a powerful platform for database servers and mail servers . For network management, Windows NT Advanced Server provided customers with centralized security and server management, along with graphical tools to manage multiple systems as well as a single logon for enterprise users.

15. 1994: Windows NT Workstation 3.5 The Windows NT Workstation 3.5 release provided the highest degree of protection yet for critical business applications and data. With support for the OpenGL graphics standard, this operating system helped power high-end applications for software development, engineering, financial analysis, scientific, and business-critical tasks. The product also offered 32-bit performance improvements and better application support, including support for NetWare file and print servers.

17. 1994: Windows NT Server 3.5 It was built on the stability of version 3.1, but with greatly enhanced processing speed and improved connectivity to other systems, particularly in Novell NetWare and UNIX environments. Enhancements included new administration tools, improved client software configuration, an auto-reboot and dump facility, better tools for NetWare, and better remote access capabilities. 1995: Windows NT Server 3.51 This incremental release of Windows NT Server in June 1995, included a tool to help customers manage client Access Licenses(CALs) for a suite of server products called the Microsoft BackOffice family.

18. 1995: Windows 95 Windows 95 was the successor to the three existing general-purpose desktop operating systems from Microsoft—Windows 3.1, Windows for Workgroups, and MS-DOS. Windows 95 integrated a 32-bit TCP/IP stack for built-in Internet support, dial-up networking, and new Plug and Play capabilities that made it easy for users to install hardware and software. The 32-bit operating system also offered enhanced multimedia capabilities, more powerful features for mobile computing, and integrated networking.

20. 1996: Windows NT Workstation 4.0 This upgrade to the Microsoft business desktop operating system brought increased ease of use and simplified management, higher network throughput, and 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.

22. 1996: Windows NT Server 4.0 With this upgrade, Windows NT Server gained the popular look and feel of Windows 95 and added many advanced features for business and technical users. Enhancements included : Faster file and print services. Higher network throughput. Robust application support. Standards-based communications features. An integrated Web server, Internet Information Server (IIS) 2.0. A toolset for developing and managing intranets .

24. 1997: Windows NT Server 4.0, Enterprise Edition Windows NT Server 4.0, Enterprise Edition, built on the strengths of Windows NT Server 4.0 by adding features and capabilities designed to appeal to large corporate customers . The product also included Microsoft Transaction Server to facilitate the development of Internet and intranet applications, and Microsoft Message Queue Server (MSMQ). .

25. 1998: Windows 98 Windows 98 was the upgrade from Windows 95. Described as an operating system that " Works Better , Plays Better ," Windows 98 was the first version of Windows designed specifically for consumers. 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. Other features are replacement of Internet Explorer 4.0 with Internet Explorer 5.0. Also included is Internet Connection Sharing, which allows multiple computers on a LAN to share a single Internet connection through NAT.

27. 1998: Windows NT Server 4.0, Terminal Server Edition Windows NT Server 4.0, Terminal Server Edition gave the Windows NT Server operating system the ability to serve 32-bit Windows operating system–based applications to terminals and terminal emulators running on PC and non-PC desktops. This technology offered a bridge for organizations that were transitioning to a pure 32-bit desktop environment by allowing their existing non-Windows–based computers to connect to a Windows network.

28. 1999:Windows 98 Second Edition Windows 98 SE, as it was often abbreviated, was an incremental update to Windows 98. It offered consumers a variety of new and enhanced hardware compatibility and Internet-related features. Windows 98 SE helped improve users' online experience with the Internet Explorer 5.0 browser technology and Microsoft Windows NetMeeting 3.0 conferencing software. It also included Microsoft DirectX API 6.1, which provided improved support for Windows multimedia, and offered home networking capabilities through Internet connection sharing (ICS ). Windows 98 SE was also the first consumer operating system from Microsoft capable of using device drivers that also worked with the Windows NT business operating system.

29. 2000: Windows Millennium Edition (Windows Me) Designed for home computer users, Windows Me offered consumers numerous music, video, and home networking enhancements and reliability improvements. Windows Movie Maker provided users with the tools to digitally edit, save, and share home videos. And with Microsoft Windows Media Player 7 technologies, users could find, organize, and play digital media easily. Windows Me was the last Microsoft operating system to be based on the Windows 95 code base

30. 2000: Windows 2000 Professional More than just the upgrade to Windows NT Workstation 4.0, Windows 2000 Professional was also designed to replace Windows 95, Windows 98, and Windows NT Workstation 4.0 on all business desktops and laptops. Among other improvements, Windows 2000 Professional 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.

32. 2000: Windows 2000 Server Family For IT professionals, the Windows 2000 Server family introduced new, centralized, policy-based management with Microsoft IntelliMirror management technologies and the Microsoft Active Directory service. In addition, a high-performance Web server featuring Active Server Pages (ASP) was included, as well as COM+ component services, transaction and message queuing support, and end-to-end XML support. Three server versions were offered: Windows 2000 server Windows 2000 advanced server Windows 2000 Datacenter server

33. 2001: Windows XP The "XP" in Windows XP stands for " experience ," symbolizing the innovative experiences that Windows can offer to personal computer users. Windows XP introduced several new features to the Windows line, including: Faster start-up and hibernation sequences . The ability to discard a newer device driver in favor of the previous one should a driver upgrade not produce desirable results Fast user switching Remote Desktop Functionality. Support for most DSL modems as well as networking over FireWire , and Bluetooth .

34. 2001: Windows XP Professional Windows XP Professional brings the solid foundation of Windows 2000 to the PC desktop, enhancing reliability, security, and performance. With a fresh visual design, Windows XP Professional includes features for business and advanced home computing, 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, remote assistance.

36. Windows Server 2003 Internet Information Services (IIS) v6.0 - A significantly improved version of IIS. Increased default security over previous versions, due to the built-in firewall and having most services disabled by default. Provides a backup system to restore lost files. improved disk management, including the ability to back up from shadows of files, allowing the backup of open files. Improvements to Group Policy handling and administration.

38. Windows Vista Seven years in the making, the OS, released on Jan. 30, 2007 to consumers and Nov. 30, 2006 to business users Windows Vista intended to have enhanced security by introducing a new restricted user mode called User Account Control , replacing the "administrator-by-default" philosophy of Windows XP Vista also features new graphics features, the Windows Aero GUI , new applications. a revised and more secure version of Internet Explorer , a new version of Windows Media player , and a large number of underlying architectural changes.

39. Windows Vista Windows Vista ships in several editons:[8] Starter Home Basic Home Premium Business Enterprise Ultimate All editions are currently available in both 32-bit and 64-bit versions.

41. Features in 2008 Clean service shutdown. Windows Server Virtualization. The self-healing NTFS file system. Windows Hardware Error Architecture AND Hyper-v Power shell. Windows Server 2008 Released on Feb, 27, 2008 and built from the same code base as vista.

42. Windows Server 2008 Windows Server 2008 is available in ten editions: Windows Server 2008 Standard Edition (32-bit and 64-bit) Windows Server 2008 Enterprise Edition (32-bit and 64-bit) Windows Server 2008 Datacenter Edition (32-bit and 64-bit) Windows HPC Server 2008 Windows Web Server 2008 (32-bit and 64-bit) Windows Storage Server 2008 (32-bit and 64-bit) Windows Small Business Server 2008 (32-bit and 64-bit) Windows Essential Business Server 2008 (32-bit and 64-bit) Windows Server 2008 for Itanium-based Systems Windows Server 2008 Foundation Server

44. Coming next: Windows 7 The next version of Windows is already in beta and is likely to ship in 2009. Windows 7 is the next major release after Windows Vista and was planned for a three-year development timeframe. Some features of Windows 7 are faster boot-up, Device Stage, Windows PowerShell , less obtrusive User Account Control, multi-touch, improved window management, home group networking, multiple thumbnails for combined taskbar buttons, and better power management for notebooks.

45. Microsoft announced that Windows 7 would ship in six editions: Starter Home Basic Home Premium Professional Enterprise Ultimate Windows 7 Features included with Windows Vista and not in the Windows 7 include the sidebar.

47. THANK YOU Signing off…..