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Created page with "=== <big>Introduction to Windows Operating System</big> === <big>The '''Windows Operating System (OS)''' is a '''graphical, multi-user, multitasking operating system''' developed by '''Microsoft Corporation'''. It was first introduced in '''1985''' as an extension of MS-DOS (Microsoft Disk Operating System). Since then, it has become the '''most widely used operating system in the world''' for personal computers, laptops, servers, and even some embedded systems.</big> =..."

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=== <big>Introduction to Windows Operating System</big> ===
<big>The '''Windows Operating System (OS)''' is a '''graphical, multi-user, multitasking operating system''' developed by '''Microsoft Corporation'''. It was first introduced in '''1985''' as an extension of MS-DOS (Microsoft Disk Operating System). Since then, it has become the '''most widely used operating system in the world''' for personal computers, laptops, servers, and even some embedded systems.</big>

=== <big>Why Windows?</big> ===
<big>Before Windows, most computers used a '''command-line interface (CLI)''', where users had to type commands to interact with the computer. Windows introduced a '''Graphical User Interface (GUI)''', where tasks could be performed using '''icons, menus, and windows''' with the help of a mouse, making computers easier for everyone to use.</big>

=== <big>Core Functions of Windows OS</big> ===

* '''<big>User Interface Management</big>'''
** <big>Provides a GUI with desktop, icons, taskbar, and start menu.</big>
** <big>Supports multiple virtual desktops and multitasking.</big>
* '''<big>Process and Task Management</big>'''
** <big>Manages running applications and background processes.</big>
** <big>Allows switching between apps and allocating system resources.</big>
* '''<big>Memory & File Management</big>'''
** <big>Handles system memory (RAM, cache, virtual memory).</big>
** <big>Organizes files into directories/folders using '''NTFS (New Technology File System)''' or FAT.</big>
* '''<big>Device & Hardware Control</big>'''
** <big>Uses '''device drivers''' for printers, scanners, GPUs, etc.</big>
** <big>Supports '''Plug and Play''' (PnP) to automatically detect new hardware.</big>
* '''<big>Networking and Communication</big>'''
** <big>Built-in support for LAN, Wi-Fi, VPN, and internet browsing.</big>
** <big>Provides remote desktop access and file sharing.</big>

* '''<big>Security & Protection</big>'''
** <big>'''User authentication''' (password, PIN, biometric login).</big>
** <big>'''Antivirus & firewall (Windows Defender)'''.</big>
** <big>'''Encryption (BitLocker)''' for data security.</big>

=== <big>Types of Windows Editions</big> ===

* <big>'''Home Edition:''' For personal use (basic features).</big>
* <big>'''Professional (Pro):''' Adds business tools like Remote Desktop, Group Policy, and BitLocker.</big>
* <big>'''Enterprise Edition:''' For large organizations, advanced security, and IT management.</big>
* <big>'''Education Edition:''' Special edition for schools and universities.</big>

=== <big>Windows OS Releases</big> ===
{| class="wikitable"
!'''<big>Version</big>'''
!'''<big>Release Year</big>'''
!'''<big>Key Features / Highlights</big>'''
|-
|'''<big>Windows 1.0</big>'''
|<big>1985</big>
|<big>First graphical interface on top of MS-DOS; basic window management.</big>
|-
|'''<big>Windows 2.0</big>'''
|<big>1987</big>
|<big>Overlapping windows, improved graphics, better memory management.</big>
|-
|'''<big>Windows 3.0</big>'''
|<big>1990</big>
|<big>Improved GUI, 16-color support, Program Manager, and File Manager.</big>
|-
|'''<big>Windows 3.1</big>'''
|<big>1992</big>
|<big>TrueType fonts, multimedia support, and drag-and-drop features.</big>
|-
|'''<big>Windows 95</big>'''
|<big>1995</big>
|<big>Start menu, taskbar, 32-bit support, Plug and Play, Internet Explorer.</big>
|-
|'''<big>Windows 98</big>'''
|<big>1998</big>
|<big>Better USB support, improved Internet integration, Windows Update.</big>
|-
|<big>'''Windows ME''' (Millennium Edition)</big>
|<big>2000</big>
|<big>System Restore, multimedia focus, last DOS-based Windows.</big>
|-
|'''<big>Windows 2000</big>'''
|<big>2000</big>
|<big>NT-based OS for businesses, Active Directory, strong networking.</big>
|-
|'''<big>Windows XP</big>'''
|<big>2001</big>
|<big>Stable, user-friendly, widespread adoption, fast boot, Remote Desktop.</big>
|-
|'''<big>Windows Vista</big>'''
|<big>2007</big>
|<big>Aero Glass UI, User Account Control (UAC), improved security (but heavy).</big>
|-
|'''<big>Windows 7</big>'''
|<big>2009</big>
|<big>Faster, stable, user-friendly, libraries, improved taskbar, touch support.</big>
|-
|'''<big>Windows 8</big>'''
|<big>2012</big>
|<big>Start screen with tiles, touch-friendly UI, Windows Store introduced.</big>
|-
|'''<big>Windows 8.1</big>'''
|<big>2013</big>
|<big>Brought back Start button, improved apps, better customization.</big>
|-
|'''<big>Windows 10</big>'''
|<big>2015</big>
|<big>Continuum (desktop/tablet modes), Cortana, Microsoft Edge, regular updates.</big>
|-
|'''<big>Windows 11</big>'''
|<big>2021</big>
|<big>Modern design, centered taskbar, DirectStorage, Android app support, enhanced security (TPM 2.0 required).</big>
|}

== Pages in Category "Windows" ==

* <big>[[How to Install Windows 11?]]</big>
* <big>[[How to Install Windows Subsystem for Linux 2 on Microsoft Windows 10?]]</big>
* <big>[[How to Allow a Specific IP Address in "firewall in windows server?]]</big>

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