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    May 2021 Update
    Windows 10 21H1, also known as the May 2021 Update, is the eleventh feature update for Windows 10. It includes a scoped set of features focused on performance improvements, enterprise features, and quality enhancements, but it does not introduce significant new features. This update is available to users running Windows 10 version 2004 or later and is serviced for 18 months for devices running Windows 10 Enterprise or Education editions. Notable improvements include enhancements to Windows Hello for external webcams and optimizations for graphics-intensive applications.
    Microsoft
    Microsoft
    https://learn.microsoft.com › en-us › previous-versions › windows › it-pro › whats-new
    What's new in Windows 10, version 21H1 - Windows 10
    Windows 10, version 21H1 is a scoped set of features for select performance improvements, enterprise features, and quality enhancements. As an H1-targeted release, 21H1 is serviced…
    Pureinfotech
    https://pureinfotech.com
    What’s Windows 10 version 21H1, May 2021 Update? - Pureinfotech
    Windows 10 version 21H1 (commonly referred to as “Windows 10 21H1” and as the “May 2021 Update”) is the eleventh feature update that Microsoft plans to release for its popular desk…
    BleepingComputer
    https://www.bleepingcomputer.com › news › microsoft
    Windows 10 21H1 is released, these are the new features
    Microsoft has released the next version of Windows 10 called "21H1", or the May 2021 Update, and it is available to users running Windows 10 2004 or later as an optional update in …
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    Microsoft
    What's new in Windows 10, version 21H1 - Windows 10
    Windows 10, version 21H1 is a scoped set of features for select performance improvements, enterprise features, and quality enhancements. As an H1-targeted release, 21H1 is serviced…
    https://learn.microsoft.com › en-us › previous-versions › windows › it-pro › whats-new
    Pureinfotech
    What’s Windows 10 version 21H1, May 2021 Update? - Pureinfotech
    Windows 10 version 21H1 (commonly referred to as “Windows 10 21H1” and as the “May 2021 Update”) is the eleventh feature update that Microsoft plans to release for its popular desk…
    https://pureinfotech.com
    BleepingComputer
    Windows 10 21H1 is released, these are the new features
    Microsoft has released the next version of Windows 10 called "21H1", or the May 2021 Update, and it is available to users running Windows 10 2004 or later as an optional update in …
    https://www.bleepingcomputer.com › news › microsoft
    UMA Technology
    Windows 10 21H1 new features and changes - UMA Technology
    With the 21H1 update, Windows Hello now supports a simplified experience for users with external webcams, enhancing accessibility and convenient usage for remote work scenarios. Wi…
    https://umatechnology.org
  1. Microsoft Learn
    https://learn.microsoft.com › ... › whats-new

    What's new in Windows 10, version 21H1 - Windows 10

    This article lists new and updated features and content that is of interest to IT Pros for Windows 10, version 21H1, also known as the Windows 10 May 2021 Update. This upd…
    Servicing

    Windows Update
    Starting with Windows 10, version 20H2 and including this release, Latest Cumulative Updates (LCUs) and Servicing Stack Updates (SSUs) have been combined into a single cumulative monthly update, a…

    Deployment

    Windows Autopilot
    A new resolved issues article is available that includes several new fixes for Windows Autopilot deployment scenarios. A new Intune remote action: Collect diagnostics, lets you collect the logs from …

    Device management

    Windows Management Instrumentation (WMI) Group Policy Service (GPSVC) has a performance improvement to support remote work scenarios:
    •An issue is fixed that caused changes by an Active Directory (AD) administrator to …

    Security

    Windows Defender Application Guard (WDAG)
    WDAG performance is improved with optimized document opening times: •An issue is fixed that could cause a one minute or more delay when you open a Microsoft …

  2. Pureinfotech
    https://pureinfotech.com

    What’s Windows 10 version 21H1, May 2021 Update?

    Mar 3, 2021 · Windows 10 version 21H1 (commonly referred to as “Windows 10 21H1” and as the “May 2021 Update”) is the eleventh feature update that …

  4. Digital Citizen
    https://www.digitalcitizen.life

    Windows 10 May 2021 Update: What's new and removed?

    Oct 6, 2025 · See what's new in Windows 10 May 2021 Update and what has been …

    • UMA Technology
      https://umatechnology.org

      Windows 10 21H1 new features and changes - UMA Technology

      May 18, 2025 · This article will provide a comprehensive look at the new features and changes in the Windows 10 21H1 update, examining how they improve upon existing functionalities and what they …

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    • Everything Explained Today
      https://everything.explained.today

      Windows 10, version 21H1 explained

      Sep 14, 2025 · The Windows 10 May 2021 Update [1] (codenamed "21H1" [2]) is the eleventh major update to Windows 10. It carries the build number 10.0.19043.

    • Windows Blog
      https://blogs.windows.com › windowsexperience › introdu…

      Introducing the next feature update to Windows 10, …

      Feb 17, 2021 · Broad availability of Windows 10, version 21H1 will begin later in the first half of this calendar year, and we will provide more information on the …

    • BleepingComputer
      https://www.bleepingcomputer.com › news › microsoft

      Windows 10 21H1 is released, these are the new features

      May 18, 2021 · Microsoft has released the next version of Windows 10 called "21H1", or the May 2021 Update, and it is available to users running Windows 10 …

    • Winaero
      https://winaero.com

      What's new in Windows 10 version 21H1 - Winaero

      Mar 11, 2021 · Windows 10, version 21H1 will have a scoped set of features improving security, remote access and quality. The features we are releasing in …

    • Directions on Microsoft
      https://www.directionsonmicrosoft.com › reports

      Windows 10 Version 21H1 Overview and Roadmap

      Windows 10 21H1 became generally available on May 18, 2021, but availability will initially be throttled for most devices. This version contains surprisingly few new features, but bug fixes may improve …

    • ITechGuides
      https://www.itechguides.com

      Windows 10 21H1 Update: Release Date, Features, …

      May 21, 2021 · Get essential information about Windows 10 21H1 update, including release date, essential features and how to download the update