Without a valid key, the OS will run in (nag screens, no personalization).
of mainstream support, unlike previous LTSC versions (like 2016 or 2019) which often had 10 years. enuswindows10enterpriseltsc2021x64dvdd289cf96iso
LTSC has no Edge, Store, Cortana, or UWP apps. You can optionally add Store via LTSC add Microsoft Store scripts (not officially supported). Without a valid key, the OS will run