If you have an old laptop that Windows 11 rejected, or a home server that you want to forget exists for the next five years, grab Windows 10 21H2 LTSC. It will run until 2032, long after Microsoft has tried to shove a "Copilot Key" onto your physical keyboard.
However, it is a . It is not a magic bullet. Using it on modern hardware is like putting diesel in a Ferrari—it won't blow up, but it won't sing. windows 10 21h2 ltsc
Because LTSC 21H2 is based on the —released in 2021—it lacks driver models for newer hardware. If you have an old laptop that Windows