The upcoming Long-Term Servicing Channel (LTSC) version of Windows 11 is rumored to be in development and set to release later in the year. The leaked ISO from August 2023 suggests that Microsoft is also working on a new “IoT Enterprise Subscription” meant for business clients.

Microsoft announced in 2023 that a Long-Term Servicing Channel (LTSC) version of Windows 11 would become available in 2024. The leaked build confirms the impending arrival of the LTSC version. Microsoft estimates that LTSC will be available to the general public in the second half of 2024.

In a blog post published in 2023, Microsoft stated, “We realize that a clear Windows client roadmap update helps consumers and organizations with planning their Windows release activities.” Windows 11 2024 LTSC will be the first LTSC release of Windows 11 and will be based on “version 24H2.”

This leaked ISO, dated August 2023, does not provide sound conclusions. Regardless, here are some preliminary takeaways from the leak, to note that these details are subject to change:

– The leaked ISO indicates that Microsoft is developing an IoT Enterprise Subscription version of Windows 11 for business customers. However, the actual differences from the non-subscription version are still unclear.
– The new Outlook, based on the web version of, is pre-installed and replaces Mail & Calendar.

The leaked build of the Long-Term Servicing Channel (LTSC) version of Windows 11 has been circulating on Chinese forums for a week. However, Microsoft advises against installing it on any real hardware.

Windows 11 LTSC 2024 is anticipated to be available in the second half of the year. As a reminder, Microsoft has announced that it plans to stop supporting Windows 10 Home, Pro, Enterprise, and Education on October 14, 2025. Nevertheless, Long-Term Servicing Channel (LTSC) versions of Windows 10 will have support from Microsoft until January 1, 2027. Similarly, Windows 11 LTSC, set to release later this year, will enjoy at least 10 years of support, depending on the chosen servicing model.

Though there are currently no other details available, Microsoft has promised to share more information in 2024 or closer to the product launch.

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