Windows 10 LTSC 2022 (I guess 2022 will be the name as that applies to Windows Server 2022 which is based on the same bits and bytes) it will be supported to say fall 2025. If a new computer is installed in 2023 with Windows 10 LTSC 2022, it will have support for an additional 2 years, and at some point, before reaching the of support, it will have to be upgraded to a new version to remain supported for additionally five years.