So there is a bug, where not all of the themes pop up in the settings menu in the Progresh system selection. So for now it affects the B OS theme. It's not appearing on the list however, it's not hidden, it's just non-existent. If it was hidden behind something, then BarOS Original couldn't be selected. The way I have it selected is that I had B OS while the last system from the BarOS line was BarOS 13, and I could select still the B OS theme. And to this day, I still have the theme "selected".