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I found here one more custom build of Windows 11 IoT Enterprise LTSC.
It looks like Windows 11 IoT Enterprise LTSC (Unofficial) from my previous post but this custom Win 11 LTSC build is for more or less experienced users because it"s updatable. I updated it to 23H2 (Insider Preview) and got Copilot Preview.

This OS contents some special tool on the Desktop - ACTIVATE ULTRA GO. With this tool you can activate OS and Office, install .Net Framework offline, delete temporary files, etc.
This tool also has two options - Convert to Windows 11 Enterprise G and Convert to Windows 11 IoT Enterprise LTSC. First option is needed for OS Updating "cause if you want to update the OS to new build (version), at first you need to convert it to Windows 11 Enterprise G. But if some small updates you can update it normally as Windows 11 IoT Enterprise LTSC.
Second option is needed to switch OS back to Windows 11 IoT Enterprise LTSC after updating and rebooting.
In any case if you have some error during OS updating I advise to switch it to Windows 11 Enterprise G and try again.
This build is lite, has Store but has no Defender.
If someone wants to try this OS and update it to 23H2 I will explain how to do that.
Below you can find some screenshots.