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Hi,
The specific version I believe you are referring to, Windows 10 IoT Enterprise LTSC 2019, has its end-of-support date set for January 9, 2029.
This date covers both Mainstream and Extended Support. It is a common point of confusion, as the general Windows 10 EOL is 2025, but the LTSC versions have their own, longer lifecycles.
For clarity, here is a simple timeline for Windows 10 IoT Enterprise LTSC 2019:
Release: November 2018
Mainstream Support End: January 9, 2024
Extended Support End: January 9, 2029 <-- Your key date
Beyond 2029: No further security updates
For your long-term planning, I would also recommend considering the newer Windows 10 IoT Enterprise LTSC 2021, which has an EOL date of January 13, 2032, giving you an even longer support horizon.
I hope this detailed explanation confirms the dates you needed for your project planning. If this answer has resolved your question, please don't forget to hit "Accept Answer" 🙂.
Best regards,
VP