Windows 8.1

personal computer operating system by Microsoft

Windows 8.1 is a version of Microsoft Windows and the second version of Windows 8.x. It was released on October 17, 2013, the same day as Windows Server 2012 R2. It is a new version of the Windows NT 6.x line, since it changes the version number from 6.2 to 6.3. It is a free update for Windows 8 that can be found in the Windows Store. When Windows 10 was released, Windows 8.1 could be upgraded to Windows 10 for free.

Windows 8.1
A version of the Windows NT operating system
Windows 8 logo and wordmark.svg
Default Windows 8.1 desktop.
OS familyMicrosoft Windows
Source model
Released to
August 27, 2013; 9 years ago (2013-08-27)[1]
October 17, 2013; 9 years ago (2013-10-17)[2]
Latest release6.3.9600 / April 8, 2014; 8 years ago (2014-04-08)[3]
Update methodWindows Update, Windows Store, Windows Server Update Services
PlatformsIA-32, x64
Kernel typeHybrid
LicenseTrialware, Microsoft Software Assurance, MSDN subscription, Microsoft Imagine
Preceded byWindows 8 (2012)
Succeeded byWindows 10 (2015)
Support status
All editions except Windows Embedded 8.1 Industry:
  • Mainstream support ended on January 9, 2018
  • Extended support until January 10, 2023

Windows Embedded 8.1 Industry:
  • Mainstream support ended on July 10, 2018[4]
  • Extended support until July 11, 2023[4]


The important new features are:

  • The Start button, instead of pointing at the bottom left corner of the taskbar
  • Internet Explorer 11
  • support for 3D printing
  • Wi-Fi Direct

End of Mainstream and Extended supportEdit

On January 9, 2018, Microsoft ended mainstream support for most editions of Windows 8.1, while mainstream support ended for Embedded editions on July 10 of that year. On July 12, 2022, Microsoft released an update for Windows 8.1 which shows the fullscreen end of support message. It appears an any edition of Windows 8.1 except some Embedded editions [1]. Extended support for all editions of Windows 8.1 will be ending on January 10, 2023, while extended support for Embedded editions will be ending on July 11 of that year.


  1. Bott, Ed (28 August 2013). "Why is Microsoft keeping the final release of Windows 8.1 secret?". ZDNet. CBS Interactive.
  2. LeBlanc, Brandon (17 October 2013). "Windows 8.1 now available!". Windows Experience Blog. Microsoft.
  3. "Why I love today's Windows 8.1 Update". Windows Experience Blog. April 8, 2014.
  4. 4.0 4.1 "Product lifecycle Windows 8.1 Industry". Retrieved August 21, 2020.