Windows evolution


The Windows operating system (Windows OS) refers to a family of operating systems developed by Microsoft Corporation. We look at the history of Windows OS from 1985 to the present day.

The Windows operating system (Windows OS) for desktop PCs is more formally called Microsoft Windows and is actually a family of operating systems for personal computers. Windows has traditionally dominated the personal computer world, running, by some estimates, more than 75 percent of all personal computers. Beginning in the early 2000s, Windows dominance has lessened with the growth of the Linux and Mac operating systems.


Table of Contents


Microsoft’s Windows operating system was first introduced in 1985. Over 29 years later a lot has changed. Microsoft Windows has seen nine major versions since its first release in 1985. Over 29 years later, Windows looks very different but somehow familiar with elements that have survived the test of time, increases in computing power, and – most recently – a shift from the keyboard and mouse to the touchscreen.


Here’s a brief look at the history of Windows, from its birth at the hands of Bill Gates with Windows 1 to the latest arrival under new Microsoft chief executive Satya Nadella.



Windows 1 - (November 20, 1985)




This is where it all started for Windows. The original Windows 1 was released in November 1985 and was Microsoft’s first true attempt at a graphical user interface in 16-bit.

Development was spearheaded by Microsoft founder Bill Gates and ran on top of MS-DOS, which relied on command-line input.

It was notable because it relied heavily on the use of a mouse before the mouse was a common computer input device. To help users become familiar with this odd input system, Microsoft included a game, Reversi (visible in the screenshot) that relied on mouse control, not the keyboard, to get people used to moving the mouse around and clicking onscreen elements.


Windows 2 - (December 9, 1987)



Windows 2.0 is a 16-bit operating environment from Microsoft released on December 9, 1987, Windows 2.00, Windows 2.01, and Windows 2.03 were shelled for the DOS system, providing a graphical user interface for improved interaction than the command-line interface of DOS.



The big innovation for Windows 2 was that windows could overlap each other, and it also introduced the ability to minimize or maximize windows instead of “iconizing” or “zooming”.

The control panel, where various system settings and configuration options were collected together in one place, was introduced in Windows 2 and survives to this day.

Microsoft Word and Excel also made their first appearances running on Windows 2.






Windows 3.0 – 3.1 (1990-1994)



The first Windows that required a hard drive launched in 1990. Windows 3 was the first version to see more widespread success and be considered a challenger to Apple’s Macintosh and the Commodore Amiga graphical user interfaces, coming pre-installed on computers from PC-compatible manufacturers including Zenith Data Systems.

Windows 3 introduced the ability to run MS-DOS programs in windows, which brought multitasking to legacy programs and supported 256 colors bringing a more modern, colorful look to the interface.

More important - at least to the sum total of human time wasted - it introduced the card-moving timesink (and mouse use trainer) Solitaire.


Windows 1 and 2 both had point release updates, but Windows 3.1 released in 1992 is notable because it introduced TrueType fonts making Windows a viable publishing platform for the first time.

Minesweeper also made its first appearance. Windows 3.1 required 1MB of RAM to run and allowed supported MS-DOS programs to be controlled with a mouse for the first time. Windows 3.1 was also the first Windows to be distributed on a CD-ROM, although once installed on a hard drive it only took up 10 to 15MB (a CD can typically store up to 700MB).



Windows 95 - (1995)





As the name implies, Windows 95 arrived in August 1995 and with it brought the first-ever Start button and Start menu (launched with a gigantic advertising campaign that used the Rolling Stones’ Start Me Up, and a couple of months later Friends stars Jennifer Aniston and Matthew Perry. Could it be any more up-to-date?)

It also introduced the concept of “plug and play” – connect a peripheral and the operating system finds the appropriate drivers for it and makes it work. That was the idea; it didn’t always work in practice.

Windows 95 also introduced a 32-bit environment, the taskbar, and focused on multitasking. MS-DOS still played an important role for Windows 95, which required it to run some programs and elements.

Internet Explorer also made its debut on Windows 95, but was not installed by default requiring the Windows 95 Plus! pack. Later revisions of Windows 95 included IE by default, as Netscape Navigator and NCSA Mosaic were popular at the time.


Windows 98 - (1998)



Windows 98 supported a number of new technologies, including FAT32, AGP, MMX, USB, DVD, and ACPI. Its most visible feature, though, was the Active Desktop, which integrated the Web browser (Internet Explorer) with the operating system. From the user’s point of view, there was no difference between accessing a document residing locally on the user’s hard disk or on a Web server halfway around the world.


Windows ME - (2000)




Considered a low point in the Windows series by many – at least, until they saw Windows Vista – Windows Millennium Edition was the last Windows to be based on MS-DOS, and the last in the Windows 9x line.

Released in September 2000, it was the consumer-aimed operating system twined with Windows 2000 aimed at the enterprise market. It introduced some important concepts to consumers, including more automated system recovery tools.

IE 5.5, Windows Media Player 7, and Windows Movie Maker all made their appearance for the first time. Autocomplete also appeared in Windows Explorer, but the operating system was notorious for being buggy, failing to install properly, and being generally poor.




Windows 2000 - (2000)


Often abbreviated as “W2K,” Windows 2000 was an operating system for business desktop and laptop systems to run software applications, connect to Internet and intranet sites, and access files, printers, and network resources. Microsoft released four versions of Windows 2000: Professional (for business desktop and laptop systems); Server (both a Web server and an office server); Advanced Server (for line-of-business applications); and Datacenter Server (for high-traffic computer networks).



Windows XP- (2001)



Windows XP was released in 2001. Along with a redesigned look and feel to the user interface, the new operating system was built on the Windows 2000 kernel, giving the user a more stable and reliable environment than previous versions of Windows. Windows XP came in two versions, Home and Professional. Microsoft focused on mobility for both editions and including plug-and-play features for connecting to wireless networks. The operating system also utilized the 802.11x wireless security standard. Windows XP went on to become one of Microsoft’s best-selling products.

Arguably one of the best Windows versions, Windows XP was released in October 2001 and brought Microsoft’s enterprise line and consumer line of operating systems under one roof.

It was based on Windows NT like Windows 2000 but brought the consumer-friendly elements from Windows ME. The Start menu and taskbar got a visual overhaul, bringing the familiar green Start button, blue taskbar, and vista wallpaper, along with various shadow and other visual effects.

ClearType, which was designed to make the text easier to read on LCD screens, was introduced, as were built-in CD burning, autoplay from CDs and other media, plus various automated update and recovery tools, that unlike Windows ME actually worked.

Windows XP was the longest-running Microsoft operating system, seeing three major updates and support up until April 2014 – 13 years from its original release date. Windows XP was still used on an estimated 430m PCs when it was discontinued.

Its biggest problem was security: though it had a firewall built-in, it was turned off by default. Windows XP’s huge popularity turned out to be a boon for hackers and criminals, who exploited its flaws, especially in Internet Explorer, mercilessly - leading Bill Gates to initiate a “Trustworthy Computing” initiative and the subsequent issuance of to Service Pack updates that hardened XP against attack substantially




Windows Vista - (2006)


Windows XP stayed the course for close to six years before being replaced by Windows Vista in January 2007. Vista updated the look and feel of Windows with more focus on transparent elements, search, and security. Its development, under the codename “Longhorn”, was troubled, with ambitious elements abandoned in order to get it into production.

It was buggy, burdened the user with hundreds of requests for app permissions under “User Account Control” - the outcome of the Trustworthy Computing initiative which now meant that users had to approve or disapprove attempts by programs to make various changes. The problem with UAC was that it led to complacency, with people clicking “yes” to almost anything - taking security back to the pre-UAC state. It also ran slowly on older computers despite them being deemed as “Vista Ready” - labeling that saw it sued because not all versions of Vista could run on PCs with that label.

PC gamers saw a boost from Vista’s inclusion of Microsoft’s DirectX 10 technology.

Windows Media Player 11 and IE 7 debuted, along with Windows Defender an anti-spyware program. Vista also included speech recognition, Windows DVD Maker, and Photo Gallery, as well as being the first Windows to be distributed on DVD. Later a version of Windows Vista without Windows Media Player was created in response to anti-trust investigations.




Windows 7 - (2009)


Considered by many as what Windows Vista should have been, Windows 7 was first released in October 2009. It was intended to fix all the problems and criticism faced by Vista, with slight tweaks to its appearance and a concentration on user-friendly features, and less “dialogue box overload”.

It was faster, more stable, and easier to use, becoming the operating system most users and businesses would upgrade to from Windows XP, forgoing Vista entirely.

Handwriting recognition debuted in 7, as did the ability to “snap” windows to the tops or sides of the screen, allowing faster more automatic window resizing.

Windows 7 saw Microsoft hit in Europe with antitrust investigations over the pre-installing of IE, which led to a browser ballot screen being shown to new users allowing them to choose, which browser to install on first boot.




Windows 8 - (2012)



Released in October 2012, Windows 8 was Microsoft’s most radical overhaul of the Windows interface, ditching the Start button and Start menu in favor of a more touch-friendly Start screen.


The new tiled interface saw program icons and live tiles, which displayed at-a-glance information normally associated with “widgets”, replace the lists of programs and icons. A desktop was still included, which resembled Windows 7.


Windows 8 was faster than previous versions of Windows and included support for the new, much faster USB 3.0 devices. The Windows Store, which offers universal Windows apps that run in a full-screen mode only, was introduced. Programs could still be installed from third parties like other iterations of Windows, but they could only access the traditional desktop interface of Windows.


The radical overhaul was not welcomed by many. Microsoft attempted to tread a fine line between touchscreen support and desktop users, but ultimately desktop users wanting to control Windows with a traditional mouse and keyboard and not a touchscreen felt Windows 8 was a step back. There were also too few touchscreens in use, or on offer, to make its touch-oriented interface useful or even necessary - despite the parallel rise of tablets such as the iPad, and smartphones, which had begun outselling PCs by the end of 2010.


Windows RT, which runs on ARM-based processors traditionally found in smartphones and non-PC tablets, was introduced at the same time as Windows 8 with the Microsoft Surface tablet. It looked and felt like Windows 8, but could not run traditional Windows applications, instead solely relying on the Windows Store for third-party apps.


Windows 8.1 - (2013)


A free point release to Windows 8 introduced in October 2013, Windows 8.1 marked a shift towards yearly software updates from Microsoft and included the first step in Microsoft’s U-turn around its new visual interface.

Windows 8.1 re-introduced the Start button, which brought up the Start screen from the desktop view of Windows 8.1. Users could also choose to boot directly into the desktop of Windows 8.1, which was more suitable for those using a desktop computer with a mouse and keyboard than the touch-focused Start screen.


Windows 10 - (2014)


Windows 10 was the successor to Windows 8. Windows 10 debuted on July 29, 2015, following a “technical preview” beta release of the new operating system (Fall 2014) and a “consumer preview” beta (Early 2015). Windows 10 featured fast start-up and resume, built-in security, and the return of the Start Menu in an expanded form. This version of Windows also featured Microsoft Edge, Microsoft’s new browser. Any qualified device (such as tablets, PCs, smartphones, and Xbox consoles) was able to upgrade to Windows 10, including those with pirated copies of Windows.


Windows 11 - (2020)


As of Sept. 2020, Microsoft had no plans for Windows 11 and planned to continue to update and support Windows 10 (see Microsoft’s Windows lifecycle fact sheet).

History of Microsoft Windows 1.0 - 10



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