Windows 8.1 and Windows Server 2012 R2 update history

Applies to: Windows 8.1Windows Server 2012 R2Windows Embedded 8.1 Industry Enterprise

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. 

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.