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Windows 11 IoT Enterprise LTSC 2025 does not exist. Microsoft’s current IoT LTSC release is Windows 11 IoT Enterprise LTSC 2024, based on Windows 11 version 24H2. Windows 11 IoT Enterprise version 25H2 is a separate General Availability Channel release, not an LTSC edition.

For fixed-purpose devices, LTSC 2024 provides a stable feature set with security and quality updates through October 10, 2034. Version 25H2 follows a shorter 36-month servicing model, so it is not a long-term replacement for LTSC.

What Microsoft actually released

Microsoft lists Windows 11 IoT Enterprise LTSC 2024 as its latest IoT LTSC release. It was first made available to OEM device makers on May 22, 2024, and its formal lifecycle began on October 1, 2024. It is based on Windows 11 version 24H2, release build family 26100.

There is no separate Windows 11 IoT Enterprise LTSC 2025 product or LTSC servicing branch. The 25H2 release is a different product track:

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Release Servicing model Version and build family Support or servicing end
Windows 11 IoT Enterprise LTSC 2024 Fixed Lifecycle Policy 24H2, 26100 October 10, 2034
Windows 11 IoT Enterprise 25H2 General Availability Channel; 36-month servicing 25H2, 26200 October 10, 2028

Microsoft’s Windows 11 release information lists the LTSC 2024 branch as version 24H2, with the July 28, 2026 update at build 26100.8973. Monthly cumulative updates change the build number; 26100 is the release build family, not a permanently fixed monthly build. See Microsoft’s Windows 11 release information.

LTSC 2024 is intended for long-lived devices

Windows IoT Enterprise LTSC is intended for fixed-purpose, specialized devices such as kiosks, medical systems, manufacturing equipment, retail terminals, and banking devices. Microsoft says it is not a replacement for Windows desktop for general-purpose computing.

The feature set remains static over the LTSC lifecycle. Devices receive cumulative security, reliability, and quality updates, but do not receive annual feature updates through Windows Update. Microsoft provides mainstream support through October 9, 2029, and extended support through October 10, 2034.

Moving from one Windows IoT Enterprise LTSC release to a later LTSC release requires a new license. LTSC 2024 is not a free feature upgrade from LTSC 2021.

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Notable LTSC 2024 changes

LTSC 2024 incorporates accumulated Windows IoT Enterprise changes from versions 21H2, 22H2, 23H2, and 24H2. Notable changes include:

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  • Restricted User Experience, formerly called Multi-App Kiosk Mode.
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Microsoft also lists WordPad and AllJoyn as removed from LTSC 2024. Internet Explorer is unavailable; use Internet Explorer mode in Microsoft Edge for sites that require legacy behavior. Details are in Microsoft’s LTSC 2024 release notes.

Do not confuse IoT LTSC with Windows 11 Enterprise LTSC

The IoT edition name matters when comparing support dates. Windows 11 IoT Enterprise LTSC 2024 receives extended support through October 10, 2034. Ordinary Windows 11 Enterprise LTSC 2024 reaches end of updates on October 9, 2029. Do not use the IoT edition’s 2034 date for ordinary Enterprise LTSC.

What Windows 11 IoT Enterprise 25H2 provides

Windows 11 IoT Enterprise 25H2 is a General Availability Channel release, not LTSC. It was released on September 30, 2025, and has a 36-month servicing period ending October 10, 2028. Consider it when a device needs the General Availability Channel rather than LTSC’s stable feature set and longer lifecycle.

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Microsoft’s release history distinguishes 25H2 from IoT Enterprise LTSC. Do not treat the version number as evidence of an LTSC 2025 release.

How to obtain LTSC 2024

Organizations can obtain Windows 11 IoT Enterprise LTSC 2024 through OEMs and authorized Windows IoT distributors for new devices, or through Volume Licensing for eligible enterprise customers upgrading fixed-function devices. Microsoft also offers a 90-day evaluation, and Visual Studio Subscriptions may include access to Windows IoT Enterprise downloads.

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Microsoft’s volume-licensing documentation lists Microsoft Product and Services Agreement (MPSA), Microsoft Customer Agreement (MCA), and Select Plus as applicable programs. The volume-license deployment media is Windows 11 IoT Enterprise LTSC 2024 x64 installation media or ISO.

Important restrictions when installing the evaluation

The public evaluation ISO is a 90-day evaluation edition. A permanent OEM, retail, or volume product key is not interchangeable with evaluation media. A common activation failure occurs when someone installs the evaluation ISO and then tries to activate it with a production key. For a commercial deployment, obtain and install the correctly licensed media rather than assuming a production key will convert the evaluation installation.

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Activation options for a commercial deployment

Microsoft lists two volume-activation methods for IoT Enterprise LTSC:

  • KMS: organization-managed activation, periodically renewed with the organization’s KMS server.
  • MAK: activation through Microsoft-hosted activation services.

For a volume-license MAK, use an elevated Command Prompt or PowerShell session and replace the placeholder with the organization’s key:

  1. Install the key with slmgr /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.
  2. Check license information with slmgr /dli.
  3. Request activation with slmgr /ato.
  4. Check activation status with slmgr /xpr.

With MAK activation, slmgr /xpr should report permanent activation. With KMS activation, it reports the current activation expiration date because the device periodically renews with the organization’s KMS server.

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Upgrade limitations

Windows 11 IoT Enterprise LTSC does not receive feature upgrades through Windows Update. For non-LTSC Windows 11 IoT Enterprise devices, version 24H2 can be delivered through Windows Update, Windows Server Update Services (including Configuration Manager), Windows Update for Business, and the Volume Licensing Service Center.

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A device running Windows 10 IoT Enterprise version 22H2 cannot directly upgrade through Windows Update to Windows 11 IoT Enterprise 24H2 or 25H2. Microsoft requires an intermediate upgrade to Windows 11 IoT Enterprise version 21H2, 22H2, or 23H2. Test the edition, architecture, application compatibility, drivers, and activation approach before planning a fleet upgrade.

How to check your installed edition and build

  1. Open Start > Settings > System > About. Under Windows specifications, check the edition, version, and OS build.
  2. For a quick version check, run winver.
  3. For detailed licensing information, run slmgr /dlv. Microsoft notes that the licensing output identifies the LTSC edition; an LTSC installation commonly reports the edition identifier EnterpriseS.
  4. To query the running Windows edition with DISM, run DISM /Online /Get-CurrentEdition.
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Which release should you choose?

Requirement Better fit
Fixed-purpose device needing a stable feature set and long lifecycle Windows 11 IoT Enterprise LTSC 2024
Device needing the General Availability Channel and accepting a shorter servicing cycle Windows 11 IoT Enterprise 25H2
General-purpose laptop or desktop An appropriate regular Windows edition, not IoT Enterprise LTSC
Windows 10 IoT Enterprise 22H2 device targeted for 24H2 or 25H2 Plan the required intermediate Windows 11 IoT Enterprise upgrade

The practical answer is that there is no “LTSC 2025” release to download. For a fixed-function deployment that needs the longer LTSC lifecycle, consider properly licensed Windows 11 IoT Enterprise LTSC 2024. For a General Availability Channel device, consider Windows 11 IoT Enterprise 25H2 as the separate non-LTSC option.

FAQ

Is Windows 11 IoT Enterprise LTSC 2025 available?

No. Microsoft identifies Windows 11 IoT Enterprise LTSC 2024 as the current IoT LTSC release. Windows 11 IoT Enterprise 25H2 is a General Availability Channel release, not LTSC 2025.

How long is Windows 11 IoT Enterprise LTSC 2024 supported?

Microsoft provides mainstream support through October 9, 2029, and extended support through October 10, 2034.

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  • ✅【Sturdy & Protective】 :Made of sturdy metal, it can support up to 17.6 lbs (8kg) weight on top; With 2 rubber mats on the hook and anti-skid silicone pads on top & bottom, it can secure your laptop in place and maximum protect your device from scratches and sliding. Moreover, smooth edges will never hurt your hands.
  • ✅【Heat Dissipation】 :The top of the laptop stand is designed with multiple ventilation holes. The open design offers greater ventilation and more airflow to cool your laptop during operation other than it just lays flat on the table.
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How long is Windows 11 IoT Enterprise 25H2 serviced?

It follows a 36-month servicing period and reaches end of servicing on October 10, 2028.

Can I activate the evaluation ISO with a regular production key?

No. Microsoft’s public ISO is a 90-day evaluation edition, and a permanent production key is not interchangeable with evaluation media. Use the correctly licensed installation media for a commercial deployment.

Does LTSC receive annual feature upgrades through Windows Update?

No. LTSC receives cumulative security, reliability, and quality updates, but not annual feature updates through Windows Update.

Is Windows 11 Enterprise LTSC 2024 supported until 2034?

No. The October 10, 2034 extended-support date applies to Windows 11 IoT Enterprise LTSC 2024. Ordinary Windows 11 Enterprise LTSC 2024 reaches end of updates on October 9, 2029.

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