Windows Timeline

My first introduction to computers was in the late 1970's and below is a brief description of each operating system I have encountered until the present day. Sit back and enjoy this nostalgic journey with me to which some even predates the introduction of Microsoft Windows.

   1979 - Atari DOS - used with the Atari 8-bit computers.
   1980 - BOS - for Intel 8080 and Motorola 6800 microprocessors
   1981 - IBM PC DOS - manufactured and sold by IBM
   1981 - MS-DOS - for x86-based personal computers
   1982 - Commodore DOS - made for Commodore's 8-bit computers
   1984 - MSX-DOS - added 3½-inch floppy disk support by Microsoft and ASCII Corporation
   1985 - Windows 1.0 - first major release of Microsoft Windows
   1987 - Windows 2.0 - second major release of Microsoft Windows
   1988 - DR-DOS - used for 8-bit Intel 8080 and Z-80-based systems
   1990 - Windows 3.0 - third major release of Microsoft Windows
   1992 - Windows 3.1 - operated as a shell on top of MS-DOS similar to Windows 3.0
   1993 - Windows NT 3.1 - a revision of the OS/2 operating system used for workstations
   1995 - Windows 95 - first version of Microsoft Windows to include the start button
   1998 - Windows 98 - second operating system in the 9x line, it is the successor to Windows 95
   1999 - Windows 98 SE - updated version of Windows 98
   2000 - Windows 2000 - introduced NTFS 3.0, Encrypting File System
   2000 - Windows Millennium Edition - 1st to with the ability to revert system files back to a prior date and time
   2001 - Windows XP - improved performance and stability over previous version
   2003 -Windows XP SP1 - contained upgrades and security patches
   2004 - Windows XP SP2 - with enhanced features to the Wi-Fi networking user interface
   2004 - OS/400 V4R5 - used for IBM AS/400 line of systems
   2005 - Windows XP Professional x64 Edition - increase in the RAM capabilities
   2006 - Windows Vista - major release of Microsoft's Windows NT operating system
   2008 - Windows XP SP3 - contained updates to the operating system and Media Center Edition
   2009 - Windows 7 - major release of the Windows NT operating system
   2012 - Windows 8 - introduced major changes to the operating system's platform and user interface
   2013 - Windows 8.1 - improved Start screen and additional bundled apps
   2015 - Windows 10 - an updated start menu with the introduction of Cortana, a virtual assistant
   2021 - Windows 11 - improved Task Manager and re-added the drag and drop feature on the taskbar

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