Microsoft released KB4041691 Windows 10 Version 1607 Cumulative Security Update for October 2017 Patch Tuesday. We are providing KB4041691 direct download links. Download KB4041691 offline installer links give in this post are from official Microsoft repository making them 100% safe to download and install without any doubt.

A total of 29 vulnerabilities are fixed in this update. Out of all the vulnerabilities 6 are rated as Critical, 23 as Important. With this update Windows build number is incremented to Windows 10 Version 1607 Build 14393.1770. As a security update the update will not bring any new feature.
Direct Download KB4041691 offline installer, patch tuesday 2017 october

Also read : Complete list of Windows 10 Updates released in 2017

Along with Windows update security update are also released for other applications like Microsoft office, Skype Business, Internet explorer, Microsoft Edge, and Lync. For complete detail check our October 2017 Patch Day Guide.

Direct Download KB4041691 Offline Installer

Download KB4041691 offline installer package for 32-bit Windows Size : 620 MB
Download KB4041691 offline installer package for 64-bit Windows Size : 1187 MB

In case you face any problem while downloading or installing KB4041691 update, do let us know via comments section. We will be happy to assist you.


  1. Update KB2021691 keeps locking up my computer during update download, get’s to about 90% and PC locks up. Hard reboot needs to be done.

    • Hi,
      I think you are talking about KB4041691 Cumulative Update for Windows 10 Version 1607. Yes, may user are facing problems with latest updates released by microsoft. As you are using a older version of I would like to recommend you to upgrade your Windows Operating system. I would like to remind you that Microsoft is going to release a new Windows 10 Version Called Windows 10 Fall Creators Update in next 2 day.


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