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Featured article

Windows 7 build 6730 is a Milestone 3 build of Windows 7 that was only released in WIM format. Originally shared on 26 April 2011, the build includes an updated Superbar style that makes it more resemblant to the RTM. In addition, the build includes updates to Windows Aero and notably applies colorization differently, using a "color dodge" effect. Internet Explorer 8 in this build has introduced an "emulate IE7" feature, providing the earliest available build of Internet Explorer with compatibility view for viewing pages better suited for older browsers. This build is also the first that has the ability to change the login screen wallpaper, which was especially made for OEMs.

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Mac OS table

Mac OS X / macOS

Name Version Darwin version Code name Release date Support end date Notes
Mac OS X Server 1.x N/A Rhapsody 5.3 - 5.6 Rhapsody 1999 2001-03 First public release of OS X without the Aqua interface
Mac OS X Public Beta N/A 1.2.1 Kodiak 2000 2001-03 First version to include the Aqua interface
Mac OS X Cheetah 10.0 1.3.1 Cheetah 2001 2004
Mac OS X Puma 10.1 1.4.1, 5 Puma 2001 2005
Mac OS X Jaguar 10.2 6 Jaguar 2002 2006
Mac OS X Panther 10.3 7 Pinot 2003 2007
Mac OS X Tiger 10.4 8 Merlot (PPC), Chardonay (Intel) 2005, 2006 (Intel) 2009 First version to support Intel processors
Mac OS X Leopard 10.5 9 Chablis 2007 2011-06 Last version to support PowerPC processors
Mac OS X Snow Leopard 10.6 10 Snow Leopard 2009 2014-02
Mac OS X Lion 10.7 11 Barolo 2011 2014-10 Last version to support i386 processors
OS X Mountain Lion 10.8 12 Zinfandel 2012 2015-09
OS X Mavericks 10.9 13 Cabernet 2013 2016-09
OS X Yosemite 10.10 14 Syrah 2014 2017-08
OS X El Capitan 10.11 15 Gala 2015 2018-08
macOS Sierra 10.12 16 Fuji 2016 2019-09
macOS High Sierra 10.13 17 Lobo 2017 2020-09
macOS Mojave 10.14 18 Liberty 2018 2021-09
macOS Catalina 10.15 19 Catalina 2019 2022-09


Thanks to Foxlet for writing this!
Screenshots should be "clean" (no extraneous borders outside the video area) and scaled to their true size. If possible, use the Windows screenshot feature (Print Screen key, Snipping Tool) to take pictures of the desktop, or use the screenshot feature if using a hypervisor/emulator. For "Full Screen" shots, if a cursor is present, it should be isolated in a corner of the background if possible (to show unique features of the cursor). All screenshots should be lossless (JPEG is not acceptable and non-animated GIF is not recommended, unless the respective build is unleaked and the only available screenshots are in JPEG or GIF).

Article Screenshots

The desktop shouldn't be visible in application screenshots.

Each main article usually requires three components: the Desktop, the About window, and (sometimes) the Logo. In most cases, a build article only needs the first two. "Full Screen" shots (such as for the Desktop and Start Menu) should be 1024x768 in 16-bit color at minimum, unless the subject in question does not support such a video mode (for example, 1024x768 in 256 colors is fine for Windows 3.1 and early Windows 95 builds). Screenshots must not use themes, wallpapers, or other graphics that are not included with the particular operating system or application build, even if they are "Demo" screenshots. The default look and feel should be used for most screenshots; any personalization options can be reasonably demonstrated in a "Demo" screenshot in the Gallery.

Desktop shots should be void of any extra windows, it should represent the state of the system when it is completely idle without any running programs. In the case that the OS shows a tool or special graphic (such as a welcome screen) on boot, that is known as a "First Boot" shot, and is separate from the Desktop shot.

Each article also contains a Gallery, where other associated shots are contained. Additional full screen shots belong here, such as the "Demo" (which shows off particularly unique features of a build). The remaining shots are usually those of programs unique to a build. Those shots should be cropped to the size of the program's window (including transparency and window shadows if such effects are present). Child windows (if any) should be visible in their full area. The screenshots should be free of any watermarks, unless the respective build is unleaked and the only available screenshots are watermarked. Article screenshots should not be annotated in Paint or any other image editor, again the only exception is if there's no other screenshot available and the build is unleaked.


  • Apparently MS Plus! Digital Media Edition installs on Longhorn builds. Tested on build 3713 and build 4015, they both install (images of 4015 running it can be seen in my demo image gallery). MS Plus! XP crashes loading setup though.

Pages to watch

Wanted images

These pages needs images, however they aren't provided yet, most often due to builds requiring real hardware only. Please help this wiki by providing images for these builds or applications:

TheCollectionBook build page TheCollectionBook gallery page BetaArchive Wiki page

Processes info

(ported from a test wiki of mines)

Here is a list of critical Windows processes that you will see on Windows NT systems. These processes more than often cannot be killed via Task Manager (unless on Vista or later). If the process's watcher is not terminated, the results listed will occur.

Credit to this blog from Mark Russinovich for the info.

  • winlogon.exe: Deals with Windows login sessions, watches lsass.exe and services.exe. Run when booting; when terminated:
    • XP: BSOD
    • Vista and up: Log off
  • smss.exe: Session manager. Watches winlogon.exe, which if not terminated first, causes BSOD. Run when logging in, when terminated:
    • XP: Does nothing
    • Vista and up: BSOD
  • csrss.exe: Client Server Runtime Subsystem. OS runs on top of this. Run when booting; when terminated, cause BSOD (STOP 0x0F4).
  • lsass.exe: Local Security Authority Subsystem Service. Verifies user logins and allows password changes. Run when logging in; when terminated, reboot computer after 1 minute.
  • services.exe: Service Control Manager. Controls all Windows services. Run when booting; when terminated, reboot computer after 1 minute.
  • explorer.exe: Windows Explorer. Holds the main interface. Run when logging in; when terminated, gets rid of Taskbar, all Window Explorer processes, and desktop icons. On Windows 8 and up, also removes background. Usually reopens if it is terminated in any way except by terminating it manually.
  • svchost.exe: Service Host. Holds user's themes. On Windows Vista and up, many instances of this process will run and they will usually relaunch if terminated. Run when booting; when terminated:
    • XP: Revert theme to lowest default
    • Vista and up: Does nothing
  • System: Holds system threads. Cannot be terminated.
  • System Idle Process: Not a real process, tracks time no thread was running. Cannot be terminated.
  • DCOM Server Process Launcher: Helps communicate the system with applications, if terminated:
    • Windows XP-7: Reboot computer after 1 minute
    • Windows 8-10: BSOD