The document provides an overview of the Microsoft Windows operating system, including its history, various versions, and key features. It discusses major releases like Windows XP, Vista, 7, and 8, highlighting advancements in usability, security, and support for modern hardware. Microsoft Windows has evolved significantly since its introduction, adapting to changes in technology and user preferences.

2. Introduction
Windows is the operating systems. An operating system is a software program that runs on
computer. It enables the computer hardware to communicate and operate with the computer
software. Microsoft developed and sold Windows environment.

3. History
 Microsoft Corporation is the American multinational software corporation . Its headquartered
in Redmond, Washington. They develop,manufactures, licenses,supports and sells computer
software.
 The company was founded on 4th April 1975.
 Microsoft is the world's largest software maker measured by revenues.
 It was founded by Bill Gates and Paul Allen.

4. There are different versions of Microsoft Windows:
Windows 1.0
Windows 2.0
Windows 3.0
Windows 95
Windows 98
Windows 2000
Windows XP
Windows Vista
Windows 7
Windows 8
Windows 10

5. Windows XP
 Windows XP was released on October 2001. It is advance from the MS-DOS operating system. It is
available in 25 languages.
 It is both fast and stable.
 Microsoft Windows XP has several editions during these years:
 Windows XP 64-bit Edition(2001) is the first Microsoft operating system for 64-bit processors designed
for working with large amounts of memory and projects such as 3D animations, engineering and
scientific programs.
 Windows XP Media Center Edition(2002) is made for home computing and entertainment. You can
browse the internet, enjoy digital music and video collections.
 Windows XP Tablet PC Edition(2002) release the vision of pen-based computing. Tablet PCs include a
digital pen for hardwriting recognition and you can use the mouse or keyboard.

6. Windows Vista
 Windows Vista was lauched in 2006 with the strongest security system. User Account Control
helps prevent potentionally harmful software from making changes to your computer.
 In Microsoft Windows Vista, Bitlocker Drive Encryption provides better data protection
from your computer, as laptop sales and security needs increase.
 Windows Vista features enhancement to Windows Media Player.

7. Windows 7
 Microsoft Windows 7 was built for the wireless world that arose in 2009. It was released,
laptops were outselling desktops, and it had become common to connect to public wireless
hotspots in coffee shops and private network in the home.
 New features are advances in touch and handwriting recognition, improved performance
multi-core processors, improved boot performance.
 The first OS to have an ability to pin its app onto its taskbar.

8. Windows 8
 Windows 8 was developed on the basis to provide user interface not only for personal
computer but also tablets and mobiles. It was released in October 2012.
 Microsoft Windows 8 features a start screen with titles that connect to people, files, apps
and websites.
 Along with Windows 8, Microsoft has lauched Windows RT, which runs on some tablets and
PCs. Windows RT is designed for sleek devices and long battery life. It is a optimized for
touchscreens.
 On release Microsoft started competing with the operating systems, including Android and
iOS.
 Microsoft has sold 60 million licenses.
 It is also integrated with the Windows Store and the SkyDrive cloud storage service.

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