Hi marc, the easiest way for v4 is here:
http://moi3d.com/forum/index.php?webtag=MOI&msg=9439.3

> I'm on Mac OS 10.15.3 Catalina, I am not familiar with scripting at all, and
> when trying to edit de SidePane.htm file with text edit, all I see is blank
> with no text at all…

Some info on why this happens here:
http://moi3d.com/forum/index.php?webtag=MOI&msg=8330.3

- Michael