Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.

Windows 8.1 and Windows Server 2012 R2 update history


View products that this article applies to.

Learn all about the security and non-security updates that are published for Windows 8.1 and Windows Server 2012 R2 through Windows Update. These updates address issues and improve the overall reliability of the operating system.

Windows 8.1 and Windows Server 2012 R2 rollups (monthly rollups and security-only updates) are applicable by default to the following Windows 8.1 Industry-based embedded product:

  • Windows Embedded 8.1 Industry Enterprise.
  • Windows Embedded 8.1 Industry Pro.

If a rollup is not applicable to an embedded product, we will explicitly state that it is not applicable.

On the left side of this page, there is a reference to all of the updates that have been released for this version of Windows. We recommend installing all updates for Windows that are available for your device. Installing the most recent update means you get all of the previous updates, as well, including important security fixes. 

↑ Back to the top


Current status of Windows 8.1 and Windows Server 2012 R2

For the most up-to-date information about Known Issues for Windows and Windows Server, please go to the Windows release health dashboard.

↑ Back to the top


Keywords: Windows 8.1, Windows Server 2012 R2, update history, windows embedded 8.1 industry

↑ Back to the top

Article Info
Article ID : 4009470
Revision : 32
Created on : 11/2/2019
Published on : 11/2/2019
Exists online : False
Views : 889

Minor Releases