-
Windows 1.0
Windows 1.0 is a graphical personal computer operating environment developed by Microsoft. . Windows 1.0 was released on November 20, 1985, as the first version of the Microsoft Windows line. It runs as a graphical, 16-bit multi-tasking shell on top of an existing MS-DOS installation. . Its development was spearheaded by the company founder Bill Gates. -
Windows 2.0
Windows 2.0 is a 16-bit Microsoft Windows GUI-based operating environment that was released on December 9, 1987, and is the successor to Windows 1.0.
Windows 2.0 allowed application windows to overlap each other, unlike its predecessor Windows 1.0, which could display only tiled windows. Windows 2.0 also introduced more sophisticated keyboard-shortcuts and the terminology of "Minimize" and "Maximize", as opposed to "Iconize" and "Zoom" in Windows 1.0. -
Windows 2.1x
Windows 2.1x (marketed as Windows/286 and Windows/386) is a family of Microsoft Windows graphical user interface-based operating environments.Windows/286 2.1 and Windows/386 2.1 were released on May 27,1988, less than six months after the release of Windows 2.0 although there were versions of Windows/386 as early as version 2.01 in September 1987 slightly before Windows 2.0 in December 1987. These versions can take advantage of the specific features of the Intel 80286 and Intel 80386 processors. -
Windows 3.0
Windows 3.0, a graphical environment, is the third major release of Microsoft Windows, and was released on May 22, 1990. It became the first widely successful version of Windows and a rival to Apple Macintosh and the Commodore Amiga on the graphical user interface (GUI) front. It was followed by Windows 3.1. -
Windows 3.1x
Windows 3.1x (codenamed "Janus") is a series of 16-bit operating environments produced by Microsoft for use on personal computers. The series began with Windows 3.1, which was first sold during April 1992 as a successor to Windows 3.0. Subsequent versions were released between 1992 and 1994 until the series was superseded by Windows 95. -
Windows NT 3.1
Windows NT 3.1 is an operating system that was produced by Microsoft as part of the Windows NT family of operating systems. It was released on July 27, 1993. Windows NT, was a complete, 32-bit operating system that retained a desktop environment familiar to Windows 3.1 users. -
Windows NT 3.5
Windows NT 3.5 is an operating system developed by Microsoft, released on September 21, 1994. It is the second release of Windows NT.
One of the primary goals during Windows NT 3.5 development was to improve the operating system's performance. As a result, the project was codenamed "Daytona", after the Daytona International Speedway in Daytona Beach, Florida. -
Windows NT 3.51
Windows NT 3.51 is the third release of Microsoft's Windows NT line of operating systems. It was released on 30 May 1995. The release provided two notable feature improvements; firstly NT 3.51 was the first of a short-lived outing of Microsoft Windows on the PowerPC architecture. The second most significant enhancement offered through the release was that it provides client/server support for interoperating with Windows 95. -
Windows 95
Windows 95 (codenamed Chicago) is a consumer-oriented operating system developed by Microsoft as part of its Windows 9x family of operating systems. The first operating system in the 9x family, it is the successor to Windows 3.1x, and was released to manufacturing on August 15, 1995, and generally to retail on August 24, 1995. -
Windows NT 4.0
Windows NT 4.0 is an operating system that is part of Microsoft's Windows NT family of operating systems. It was released to manufacturing on July 31, 1996. And General availability on August 24, 1996. It was Microsoft's primary business-oriented operating system until the introduction of Windows 2000. Workstation, server and embedded editions were sold; all editions feature a graphical user interface similar to that of Windows 95. -
Windows 98
Windows 98 (codenamed Memphis) is a graphical operating system developed by Microsoft as part of its Windows 9x family of operating systems. It is the successor to Windows 95, and was released to manufacturing on May 15, 1998, and to retail on June 25, 1998. Like its predecessor, Windows 98 is a hybrid 16-bit and 32-bit[4] monolithic product with the boot stage based on MS-DOS. -
Windows 2000
Windows 2000 is an operating system that was produced by Microsoft as part of the Windows NT family of operating systems. It was released to manufacturing on December 15, 1999, and launched to retail on February 17, 2000. It is the successor to Windows NT 4.0. -
Windows ME
Windows Millennium Edition, or Windows ME (marketed with the pronunciation of the pronoun "me" and codenamed Millennium), is a graphical operating system developed by Microsoft as part of its Windows 9x family of operating systems. It is the successor to Windows 98, and was released to manufacturing on June 19, 2000, and reached general availability on September 14, 2000. -
Windows XP
Windows XP is a personal computer operating system produced by Microsoft as part of the Windows NT family of operating systems. It was released to manufacturing on August 24, 2001, and broadly released for retail sale on October 25, 2001.Development of Windows XP began in the late 1990s as "Neptune", kernel which was intended specifically for mainstream consumer use. An updated version of Windows 2000 was also originally planned for the business market. -
Windows XP Professional x64 Edition
Microsoft Windows XP Professional x64 Edition, released on April 25, 2005, is an edition of Windows XP for x86-64 personal computers. It is designed to use the expanded 64-bit memory address space provided by the x86-64 architecture.
The primary benefit of moving to 64-bit is the increase in the maximum allocatable random-access memory (RAM). 32-bit editions of Windows XP are limited to a total of 4 gigabytes. -
Windows Vista
Windows Vista is an operating system that was produced by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs. Development was completed on November 8 2006 and over the following three months, it was released in stages to computer hardware and software manufacturers, business customers and retail channels. On January 30 2007, it was released worldwide and was made available for purchase and download from the Windows Marketplace. -
Windows 7
Windows 7 is a personal computer operating system that was produced by Microsoft as part of the Windows NT family of operating systems. It was released to manufacturing on July 22, 2009 and became generally available on October 22, 2009, less than three years after the release of its predecessor, Windows Vista. Windows 7's server counterpart, Windows Server 2008 R2, was released at the same time. -
Windows 8
Windows 8 is a personal computer operating system that was produced by Microsoft as part of the Windows NT family of operating systems. The operating system was released to manufacturing on August 1, 2012, with general availability on October 26, 2012. -
Windows 8.1
Windows 8.1 is a personal computer operating system that was produced by Microsoft and released as part of the Windows NT family of operating systems. It was released to manufacturing on August 27, 2013, and reached general availability on October 17, 2013, about a year after the retail release of its predecessor. Windows 8.1 was made available as a free upgrade for retail copies of Windows 8 and Windows RT users via the Windows Store. -
Windows 10
Windows 10 is a series of personal computer operating systems produced by Microsoft as part of its Windows NT family of operating systems. It is the successor to Windows 8.1,and was released to manufacturing on July 15, 2015, and to retail on July 29, 2015. Windows 10 receives new builds on an ongoing basis, which are available at no additional cost to users. Mainstream builds of Windows10 are labelled version YYMM with YY representing the year and MM representing the month of release.