KB4091663 Windows 10 update, 1703, January 9, 2019

KB4091663 Windows 10 update, 1703, January 9, 2019

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DOWNLOADOn January 9, 2019, Microsoft released KB4091663 for Windows 10 Creators Update (version 1703) based on x86 and x64 processors.

Installation via Windows Update

Cumulative update KB4091663 for PC is installed automatically through Windows Update. To check, go to Settings > Update and Security and click Check for Updates. To complete the installation, you will need to restart the computer.

Recent Changes:

Intel Microcode updates around the following products (CPUs) have been revised. We recommend that you take this latest update to stay current:

  • Nehalem EP, Nehalem WS
  • Lynnfield
  • Lynnfield Xeon
  • Arrandale
  • Clarkdale
  • Clarkdale Xeon
  • WestmereEP, WS

Intel recently announced that it has completed its validations and has started to release microcode for newer CPU platforms around Spectre Variant 2 (CVE 2017-5715: “Branch Target Injection”). This update includes microcode updates from Intel for the following CPUs.


You can download the file below:

x64 download update
x86 download update
Source URL