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Windows Update Profile picture
@WindowsUpdate
Oct 14 • 9 tweets • 4 min read • Read on X
The October 2025 Windows security update is now available for Windows 10

(🧵1/9) Blue banner with the text “Windows 10 October 2025 Security Updates”
Windows 10 release notes:
•Versions 21H2, 22H2 (KB5066791): support.microsoft.com/help/5066791
•Version 1809 (KB5066586): support.microsoft.com/help/5066586
•Version 1607; Windows Server 2016 (KB5066836): support.microsoft.com/help/5066836
•Version 1507 (KB5066837): support.microsoft.com/help/5066837

(🧵2/9)
Highlights for Windows 10, version 22H2:
•This update addresses security issues for your Windows operating system.

(🧵3/9)
The update includes improvements that were part of KB5066198 (released on September 25)


 (🧵4/9)
Please refer to the Microsoft Security Update Guide for information on security vulnerabilities:  

(🧵5/9)msft.it/6019eSFN1
Today, October 14, 2025, Windows 10 has reached end of support. The October 2025 security update is the final update available for the last supported versions: Windows 10, version 22H2 (Home, Pro, Enterprise, Education, and IoT Enterprise editions), Windows 10 2015 LTSB, and Windows 10 IoT Enterprise LTSB 2015.

Devices running these versions will no longer receive monthly security and preview updates containing protections from the latest security threats.

learn.microsoft.com/en-us/lifecycl…

(🧵6/9)
The Windows 10 Extended Security Updates (ESU) program allows organizations to receive critical and important security updates for PCs enrolled in the paid subscription service.



(🧵7/9)learn.microsoft.com/en-us/windows/…
Additionally, customers can enroll their personal Windows 10 PCs in the Windows 10 Consumer Extended Security Updates (ESU) program to receive critical and important monthly security updates.



(🧵8/9)microsoft.com/en-US/windows/…
Resources 
•Learn about the different types of monthly updates: msft.it/6017eRKoX 
•Find resources, tools, and news about known issues and safeguards: msft.it/6016eRKon 
•Have an issue? File feedback to our engineers: msft.it/6018eRKok  

(🧵9/9)

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More from @WindowsUpdate

Windows Update Profile picture
Oct 14
The October 2025 Windows security update is now available for Windows 11

(🧵1/7) Blue banner with the text “Windows 11 October 2025 Security Updates”
Windows 11 release notes: 
•Versions 25H2 & 24H2 (KB5066835): support.microsoft.com/help/5066835
•Version 22H2 & 23H2 (KB5066793): support.microsoft.com/help/5066793

(🧵2/7)
Highlights for Windows 11, versions 25H2 & 24H2:
•This update addresses security issues for your Windows operating system.
•This update fixes an issue that caused the print preview screen to stop responding in Chromium-based browsers.
•This update addresses an issue that occurred when users signed in to a Windows device using only a Gamepad at the lock screen. If no other input methods—such as touch or fingerprint—were used during sign-in, apps and games did not respond to input afterward.
•This update addresses an issue that affects the setup process for Windows Hello face recognition when using USB infrared camera modules.
•This update removes the ltmdm64.sys driver. Fax modem hardware dependent on this specific driver will no longer work in Windows.

(🧵3/7)
Read 7 tweets
Windows Update Profile picture
Sep 30
Today, we are announcing the availability of the Windows 11 2025 Update, also referred to as Windows 11, version 25H2. 🎉
(🧵1/7) Image
Version 25H2 will be delivered as an enablement package (eKB). This means that it contains all the recently announced features in Windows 11, version 24H2.



(🧵2/7)aka.ms/ekb-w11-25H2
Availability of version 25H2 begins today via a controlled feature rollout for eligible devices running Windows 11, version 24H2 for users who have already turned on the “Get the latest updates as soon as they’re available” toggle.



(🧵3/7)support.microsoft.com/en-us/windows/…
Read 7 tweets
Windows Update Profile picture
Nov 16, 2021
Today marks the beginning of the Windows 10 November 2021 Update (Windows 10, version 21H2) availability. We will be throttling availability up over the coming weeks to ensure a reliable download experience.
If you would like to install the new release, open your Windows Update settings (Settings > Update & Security > Windows Update) and select Check for updates.
We are also transitioning to an annual Windows 10 release cadence to align with the Windows 11 cadence. The next Windows 10 feature update is slated for the second half of 2022.
Read 5 tweets
Windows Update Profile picture
Jun 28, 2021
Our commitment is to keep devices protected and productive through best-in-class servicing. Here are some lifecycle and servicing updates for Windows 11.
1. Windows 11 will have an annual feature update cadence, a change from the semi-annual cadence of Windows 10.
2. Windows 11 will come with 24 months of support for Home, Pro, Pro for Workstations, and Pro Education editions.
Read 7 tweets
Windows Update Profile picture
Aug 11, 2020
📝 [Release Notes Published] The following release notes coincide with Cumulative Updates for Tuesday, August 11th, 2020.
📄 Windows 10, version 2004 – KB4566782 – support.microsoft.com/help/4566782
📄 Windows 10, version 1903 and Windows 10, version 1909 – KB4565351 – support.microsoft.com/help/4565351
Read 9 tweets

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