The September 2016 update rollup includes some new improvements and fixes for the Windows 8.1 and Windows Server 2012 R2 platforms. We recommend that you apply this update rollup as part of your regular maintenance routines. Before you install this update, see the Prerequisites and the Restart requirement sections.
Improvements and fixes
To learn more about the nonsecurity improvements and fixes in this update, see the September 20, 2016 – KB3185279 section in Windows 8.1 and Windows Server 2012 R2 update history.
How to get this update
Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.
Method 1: Windows Update
This update is provided as an Optional update on Windows Update. For more information about how to run Windows Update, see How to get an update through Windows Update.
Method 2: Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website. Note You must be running Microsoft Internet Explorer 6 or later versions.
Method 3: Microsoft Download Center
The following files are available for download from the Microsoft Download Center:
Operating system |
Update |
---|---|
All supported x86-based versions of Windows 8.1 |
|
All supported x64-based versions of Windows 8.1 |
|
All supported x64-based versions of Windows Server 2012 R2 |
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
Update detail information
Prerequisites
To apply this update, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed on Windows 8.1 or Windows Server 2012 R2.
Restart requirement
You must restart the computer after you apply this update.
Registry information
To apply this update, you don't have to make any changes to the registry.
Update replacement information
This update doesn't replace any previously released update.
File Information
File name |
SHA1 hash |
SHA256 hash |
---|---|---|
Windows8.1-KB3185279-arm.msu |
5CC424CFB39C3A737F4DAA9CC1A0FE4F61C445AE |
AAA435A15D14C5739D646B07E603766EDB9175CA07039AF4ED964135EDE47148 |
Windows8.1-KB3185279-x86.msu |
BD58145D747CCD9FE0921D5EC56E616EC03D9947 |
CB57C90A7B798452FF8DAF0C6919F0EE862A2C18526727B1967317CB26202AF2 |
Windows8.1-KB3185279-x64.msu |
F6714F6793FB14BFAC28E84E5FFD184F1DE98F8F |
C25894AE9F853B4CA8226DAB1E994DC112DBD512F105567A3232259AEA87AEF4 |
File informationFor a list of the files that are provided in this update, download the file information for update rollup 3185279.
References
For more information about Windows Update, go to the following Microsoft websites: Troubleshoot problems with installing updatesWindows Update: Frequently Asked Questions Learn about the terminology that Microsoft uses to describe software updates.