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Windows On Windows
@windowsonwindows.com
The YouTube channel on the history & development of Microsoft Windows. 📺 Join the Discord @ http://dsc.gg/wowserv! 👨🏻‍💻 Follow for daily Windows facts. 🤓
Happy Halloween! 🎃 Don’t forget, do NOT shut down your copy of Windows Frighty-8 tonight… 👀🔪🩸🧟‍♂️👻
October 31, 2025 at 6:34 PM
Skype is a telecommunication app acquired by Microsoft in 2011. Integrated in Windows from Windows 8 (2012) to 10 (2015), in 2013, it replaced Windows Live Messenger (formerly MSN Messenger). In February 2025, Microsoft announced Skype would be shutting down & replaced by Teams.
February 28, 2025 at 5:06 PM
Jade was a visual style introduced in Windows Vista build 4066, from February 2004. Like the earlier Plex & Slate styles, it was a placeholder for Vista’s (2006) final style, Aero. While Plex & Slate were similar to Windows XP’s (2001) Luna style, Jade is much closer to Aero. ✨
February 14, 2025 at 6:53 PM
ClearView was a tabbed UI designed to replace the Program Manager from Windows 3.1 (1992). Tested in early builds of Windows 95 (1995), it was designed by Daniel Oran. In response to user testing, it was eventually replaced by the Start Menu & Taskbar (also designed by Daniel).
January 2, 2025 at 11:12 PM
Happy New Year! 🥳 I entered 2024 being emotionally, financially & physically abused by my then-partner. I’m entering 2025 with new love & hope. I’m sharing this for anyone who may be in a similar situation to know that there is light at the end of the tunnel. Keep going. 💪
January 2, 2025 at 2:28 AM
Windows 95 build 90c is an early build of Windows 95 compiled on 29th March 1994. This build has the Start menu & taskbar at the top of the screen by default (a design that debuted earlier that month in build 89e) & refers to itself as Windows 94 (the only build known to do so).
January 1, 2025 at 11:15 PM
The Windows 10 Fall Creators Update, from October 2017, debuted Microsoft’s Fluent Design language & support for the ARM64 architecture. It was the last Windows 10 (2015) update not to be named after its time of release & would become the final release of Windows 10 Mobile. 📲🪦
December 30, 2024 at 6:20 PM
Windows 1 Development Release 5 is the earliest available build of Windows, compiled in October 1984. It was part of the so-called Development Release series, intended to help developers design apps for Windows 1 (1985). It includes a selection of sample apps for this purpose.
December 27, 2024 at 10:44 PM
Windows 3 (1990) debuted Program Manager: a new shell that catalogued installed apps. It replaced the text-only MS-DOS Executive from Windows 1-2 (1985-7). For the first time, apps were represented by icons even when not running. They could also be grouped to aid organisation. 🧹
December 25, 2024 at 6:16 PM
The Windows 2 April 1987 Build is the earliest known build of Windows 2 (1987). Still using Windows 1’s (1985) colour scheme, it showcases 2’s new window controls & full support for overlapping windows. This replaced the tiled windows in Windows 1 that users had found confusing.
December 24, 2024 at 8:25 PM
Windows 3 build 33, from 27th July 1989, is the last known build of Windows to use its original shell - the MS-DOS Executive. This would be replaced by the new Program Manager in time for 3’s final release. This build’s boot screen displays the message “We Believe in Magic!”. 🪄
December 23, 2024 at 8:17 PM
In July 1996, Microsoft was sued by Caldera, who owned a competitor to their MS-DOS operating system, called DR-DOS. They claimed the fact Windows 95 (1995) could only run on top of MS-DOS was anti-competitive & illegal. In January 2000, Microsoft settled out of court for $280m.
December 22, 2024 at 8:14 PM
Running Windows XP’s (2001) Logon screensaver in the Home Premium edition of Windows Vista gives this curious result: the OS is referred to as “Windows XP Freestyle”. Freestyle was the codename for Windows XP Media Centre Edition (2002), which this seems to be a holdover from. 👀
December 21, 2024 at 9:48 PM
User account pictures are images that represent users within Windows. Officially introduced in Windows XP (2001), they actually first appeared in Windows Codename Neptune - a cancelled version of Windows that Microsoft worked on in the late 1990s. What’s your go-to user pic? 🤳
December 20, 2024 at 6:25 PM
Following Windows NT 4’s release in 1996, Microsoft focused work on its successor: Windows NT 5. In 1998, Microsoft announced NT 5’s final name would be Windows 2000, “reflecting our customers’ choice of NT as the mainstream OS”. But many alternative names were also considered.
December 19, 2024 at 9:13 PM
Windows 8 (2012) introduced accent colours - colour schemes that could be applied to its new, touch-optimised UI, such as the Start screen. Starting with Windows 10 (2015), the accent colours were also applied to the desktop. This remains the case in Windows 11 (2021). 🎨🖌️
December 18, 2024 at 9:36 PM
Microsoft has accidentally released several Windows development builds over the years, mainly via the Windows Insider Program. A notable e.g. is Windows 10 build 18947, that went to the Fast Ring on 24th July 2019 & featured an early version of Windows 11’s (2021) new Start menu.
December 17, 2024 at 8:47 PM
Microsoft refers to Windows releases by codenames during development, before their final name is decided. Famous examples are Windows Codename Chicago (Windows 95, 1995), Codename Neptune (scrapped, late 90s) & Codename Longhorn (Vista, 2006). What’s your fav Windows codename? 🤓
December 16, 2024 at 11:06 PM
Windows 1 (1985) included an analogue clock app to show users the time. Simply called Clock, a digital mode was added in Windows 3 (1990). In Windows 95 (1995), its function was absorbed into the Notification Area in the new Taskbar. It last appeared in Windows NT 4 (1996). ⏰
December 15, 2024 at 7:29 PM
Service Packs were collections of updates, fixes & enhancements released for various Windows versions, starting with Windows NT 3.1 Service Pack 1 (1993). Windows 7 Service Pack 1 (2011) is the last Service Pack, with Microsoft now prioritising regular updates via Windows Update.
December 14, 2024 at 9:07 PM
Outlook Express was an email app included with Windows starting with Windows 98 (1998). It was based on the earlier Internet Mail app included with Internet Explorer 3 (1996). Last seen in alpha builds of Windows Vista (2006), it was replaced by Windows Mail in the final release.
December 13, 2024 at 4:13 PM
Windows 95 (1995) introduced a brand new Windows user interface, centred around the new Start menu & Taskbar. For users who preferred the older Program Manager UI seen in Windows 3 (1990) & Windows 3.1 (1992), an option was included during 95’s setup to switch back to it. 👍
December 12, 2024 at 9:15 PM
During the development of Windows Vista (2006), creative director Jenny Lam sent amateur photographer Hamad Darwish on a commissioned photoshoot in Oregon, USA. He took 6000 shots, eventually submitting 15 for potential use in Vista. Two made it: Lost Sensations & Destinations.
December 11, 2024 at 6:43 PM
Windows 3 build 14, from early 1989, is the 1st known prerelease build of Windows to display a watermark in the bottom right corner of the desktop. This now-familiar feature was removed within a year & didn’t reappear (minus debug builds) until build 1351 of Windows 98 in 1996.
December 10, 2024 at 9:50 PM
My TV & Movies is a cancelled app meant for watching & recording TV. It was present in the Media Centre Edition variants of some Windows Vista (2006) - a.k.a. Codename Longhorn - development builds, between build 3706 (29th October 2002) & build 4029 (29th June 2003). 📺🔴
December 9, 2024 at 8:31 PM