The document provides a historical overview of the Windows operating system, detailing its development by Microsoft starting from 1983. It outlines major versions of Windows from 1.0 to 10, highlighting significant features and advancements in each release. The summaries also touch upon the evolution of user interface and functionality improvements through the years.

1. Advancements in Windows
A look back to the earlier versions
Presented by :
Saurabh Karna
Saidmamad Gulomshoev

2. Windows Operating System
 OS - Interface between user and the
hardware.
 Windows OS developed by Microsoft in
1983.
 Graphical User Interface (GUI).
 Most widely used OS for Personal
Computers (PC).

3. MS-DOS
 Microsoft Disk Operating System.
 Single-user OS from Microsoft.
 First OS for the PC.
 Windows 95/98 and Windows NT built in their own
version of DOS to support existing DOS
applications.

4. Major Versions of Windows
 Windows 1.0
 Windows 2.0
 Windows 3.0
 Windows NT
 Windows 95
 Windows 98
 Windows 2000
 Windows ME
 Windows XP
 Windows Vista
 Windows 7
 Windows 8
 Windows 10
Fig : Timeline of Windows
1981
MS-DOS
1987
Win 2
1993
Win NT
1998
Win 98
2001
Win XP
2009
Win 7
2015
Win 10
1985
Win 1
1990
Win 3
1995
Win 95
2000
Win 2000
2007
Win Vista
2012
Win 8
2000
Win ME

5. Windows 1.0
 Released in 20th November, 1985.
 16 bit graphical operating environment.
 Displayed „tiled‟ windows (side by side, no
overlaps).
 Not a complete operating system (extended
DOS environment).
 Programs like clock, calculator, paint,
write, reversi, etc.
 Not so popular.

7. Windows 2.0
 Introduced on 9th December, 1987.
 Also 16 bit GUI based operating environment.
 Introduced keyboard shortcuts, the
“Minimize” and “Maximize” buttons and
allowed windows to overlap.
 The last version of Windows that could run on
a floppy-only system and did not require a
hard disk.
 Not so popular either.

9. Windows 3.0
 Released on 22nd May, 1990.
 Introduced Program Manager and File
Manager.
 Protected/Enhanced mode to run
Windows applications with reduced
memory issues.
 Introduction of virtual memory allowed
multitasking of DOS based software.
 Improved interface and gained
popularity.

11. Windows NT
 Windows New Technology.
 Introduced on 27th July, 1993.
 Self contained OS that runs 16-bit and 32-bit
windows applications as well as DOS.
 DOS not completely removed but loaded
briefly as part of the booting process.

13. Windows 95
 Released on 24th August, 1995.
 32 bit self contained multitasking operating system.
 Introduced the „Start‟ button and the taskbar and
changed the way a user navigated.
 Adopted Win32 API also preserved Win16
compatibility.
 Handled larger memory spaces with FAT32 file
system.
 Inclusion of Internet Explorer browser with the OS.

15. Windows 98
 Released on 25th June, 1998.
 Improved power management, network
management and USB support.
 Added Standby and Hibernate modes.
 Introduced the Windows Driver Model (WDM) to
manage device drivers.
 Added address bar in Windows Explorer, image
thumbnails, folder info tips, web view in folders
and many other features.
 3D Pinball was included.

17. Windows 2000
 Released on 17th February, 2000.
 Version number Windows NT 5.0.
 Introduced NTFS (New Technology File
System) 3.0, MMC (Microsoft Management
Console), EFS (Encrypting File System), the
DirectX 7.0 API etc.
 Support for distributed file system, Active
Directory.
 Layered windows with transparency,
transition effects, gradient fills etc and
personalized Start menu.
 the last NT kernel Windows operating system
to lack product activation.

19. Windows ME
 Windows Millennium Edition.
 Released on 14th September, 2000.
 Introduced a System Restore feature,
Windows Movie Maker software and
networking tools.
 Improved power management, faster boot
times and suspend/resume operations.
 The last DOS-based operating environment(9x
series).
 Criticized for speed and stability issues, also
dubbed by many as „Mistake Edition‟ or „Many
Errors‟.

21. Windows XP
 Windows eXPerience.
 Released on 25th October, 2001.
 First version to use product activation to
reduce software piracy.
 Improved taskbar, „Start‟ menu, better
networking features and improved user
interfaces.
 Improved sorting, searching, System Restore,
error reporting and driver reliability.
 Built-in CD burning, AutoPlay and updated
accessories.
 Faster start-up.
 Longer life than any other versions.

23. Windows Vista
 Released on 30th January, 2007.
 Version number NT 6.0.
 Introduced Windows Search, Windows Sidebar,
User Account Control and integrated Speech
Recognition.
 New graphical user interface named Windows
Aero.
 Shadow Copy automatically creates daily backup
copies of files and folders.
 Transparent side panel to place Desktop Gadgets.
 New security protections and improved web
standards.
 Faced lots of negative criticism.

25. Windows 7
 Released on 22nd October, 2009.
 Version number NT 6.1.
 Removed sidebar and overcame many Vista
criticisms.
 Faster booting, Windows PowerShell,
improved window management, touch and
handwriting recognition.
 Support for virtual hard disks, better multi-
core processors performance, and kernel.

27. Windows 8
 Released on 26th October, 2012.
 Version number NT 6.2.
 Focused on tablet users, touch-optimized
shell using the "Metro" design, and a new
'Start' screen (no „Start‟ button).
 Faster startup through UEFI integration.
 Integration of online services (SkyDrive,
Xbox).
 Support USB 3.0, the Windows Store,
Windows To Go (ability to run from USB
drives).

29. Windows 10
 Released on 29th July, 2015.
 Kernel number 10
 Device dependent interface.
 Return of „Start‟ button.
 Cortana, Microsoft Edge, Unified
Settings, a virtual desktop system,
integration with Windows Phone.

31. Windows comparisons

32. Windows comparisons

33. Windows comparisons

34. Windows comparisons

35. Windows comparisons

36. Windows comparisons
Source: https://www.microsoft.com/en-in/windows/compare

37. Some statistical points:
OS Platform Statistics
http://www.w3schools.com/browsers/browsers_os.asp

38. Desktop Operating System Market Share
Source: https://www.netmarketshare.com/operating-system-market-share.aspx?qprid=10&qpcustomd=0&qpcustomb=

39. Authors: Saurabh Karna & Saidmamad Gulomshoev
Emails: karnasaurabh123@gmail.com; saidmamad@gmail.com
Sri Venkateswara College of Engineering and Technology (Autonomous), MCA 1st year

40. Used resources:
http://www.slideshare.net/ummarakhan71/windows-series-operating-system
https://en.wikipedia.org/wiki/Usage_share_of_operating_systems
https://en.wikipedia.org/wiki/History_of_Microsoft_Windows
http://www.w3schools.com/browsers/browsers_os.asp
https://www.netmarketshare.com/operating-system-market-
share.aspx?qprid=10&qpcustomd=0&qpcustomb=
http://windows.microsoft.com/en-IN/windows/history#T1=era0