Windows 8.1 and Windows Server 2012 R2 update rollup: October 2013

Applies to: Windows 8.1Windows 8.1 EnterpriseWindows 8.1 Pro

Important KB 2898742 redirects you to this article (KB 2884846). When you install update package KB 2884846 from Windows Update, KB 2898742 is included in the installation of update package KB 2884846.


This article describes the update rollup for Windows 8.1 and Windows Server 2012 R2 that is dated October 2013. This update rollup package includes performance and reliability improvements for Windows 8.1 and Windows Server 2012 R2. We recommend that you apply this update rollup as part of your regular maintenance routines.

We recommend that you also apply the General Availability Update Rollup 2883200 .

More Information

Update information

How to obtain the update

This update is available from Windows Update.
  • This update is provided as an important update.
  • If you select the Install updates automatically (recommended) Windows Update setting, this update is automatically installed.
  • If you select other Windows Update settings, we highly recommend that you immediately install this update through Windows Update.
You can also obtain the stand-alone update package through the Microsoft Download Center. For more information, go to the Microsoft Download Center and then search for KB2884846.


To apply this update, you must be running Windows 8.1, Windows Server 2012 R2, or Windows RT 8.1.

Restart information

You must restart the computer after you apply this update.

Update replacement information

This update does not replace any previously released update.


For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates