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Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Depending on your version of Windows, you'll need the following amount of available drive space on your PC to download and install the Windows 8.1 Update or Windows RT 8.1 Update ( KB 2919355) from Windows Update: Windows 8.1 (64-bit version): 2 GB. Windows 8.1 (32-bit version): 0.8 GB.
Windows 8.1 and Windows Server 2012 R2 update history
KB5010794: Out-of-band update for Windows 8.1 and Windows Server 2012 R2: January 17, 2022; January 11, 2022—KB5009624 (Monthly Rollup) January 11, 2022—KB5009595 (Security-only update) December 14, 2021—KB5008263 (Monthly Rollup) December 14, 2021—KB5008285 (Security-only update) November 9, 2021—KB5007247 (Monthly Rollup)
Language pack updates for Windows 8.1 Update 2919355
The language packs contain only the updated resources for Windows 8.1 Update 2919355, and they should be applied only after the Windows 8.1 Language Pack has been installed. Symptoms Some dialog boxes or text does not respect the language settings in the following scenarios.
KB5001403: Servicing stack update for Windows 8.1, Windows RT 8.1, and ...
How to get this update. Method 1: Windows Update. This update is available through Windows Update. It will be downloaded and installed automatically. Method 2: Microsoft Update Catalog. To get the stand-alone package for this update, go to the Microsoft Update Catalog website. Method 3: Windows Server Update Services.
July 12, 2022—KB5015874 (Monthly Rollup) - Microsoft Support
Summary. Learn more about this cumulative security update, including improvements, any known issues, and how to get the update. REMINDER Windows 8.1 will reach end of support on January 10, 2023 for all editions, at which point technical assistance and software updates will no longer be provided.
Update to Windows 8.1 from Windows 8 - Microsoft Support
If you're currently running Windows 8, you need 3,000 MB of available space to install the 32-bit version of Windows 8.1 and 3,850 MB of available space to install the 64-bit version of Windows 8.1. On a Windows RT device, you need 2,250 MB of available disk space to install Windows RT 8.1.
Windows Update Client for Windows 8.1 and Windows Server 2012 R2: March ...
This article describes an update that contains some improvements to Windows Update Client in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2. This update has a prerequisite . About this update
April 2014 servicing stack update for Windows 8.1 and Windows Server ...
How to obtain this update. Windows Update. This update is available from Windows Update. Microsoft Download Center. The following files are available for download from the Microsoft Download Center: Note The update for Windows RT 8.1 can be obtained only from Windows Update.
November 8, 2022—KB5020023 (Monthly Rollup) - Microsoft Support
November 8, 2022—KB5020023 (Monthly Rollup) - Microsoft Support. Windows 8.1 and Windows Server 2012 R2. End of Support. March 12, 2024—KB5035885 (Monthly Rollup) February 13, 2024—KB5034819 (Monthly Rollup) January 9, 2024—KB5034171 (Monthly Rollup) December 12, 2023—KB5033420 (Monthly Rollup) November 14, 2023—KB5032249 (Monthly Rollup)
Updated capabilities to upgrade Windows 8.1 and Windows 7
Update detail information. Prerequisites. To install this update, install the April 2014, update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) in Windows 8.1. Or, install Service Pack 1 for Windows 7. Registry information. To apply this update, you don't have to make any changes to the registry. Restart requirement.