Comment by r_lee

It's not officially, but nothing prevents you from buying licenses.

I don't use Windows anymore but iirc the easiest way is to get the E3 or E5 licenses. The volume licensing is "Contact us" pricing

LTSC is also Enterprise, but it's meant for e.g. computers attached to an industrial machine/line that rarely gets updated and such. But it's used by many prosumers as a way to avoid bloat and e.g. keep Win10 for longer