On Wed, May 8, 2024, at 09:14, RM_simulate wrote: > It is worth saying that it works for normal text and it appears as > CMbright. Only when I try to use math (like a letter with subscript), > it doesn't work. And you have both cm-super and hfbright (https://miktex.org/packages/hfbright) installed? Cheers, Otfried