The font's set by using the function 'draw_set_font(fnt_monogram);' in the draw event of the o_menu object. the font he's using is in the font's folder, if you want a different font then you can either change it to one of the built in one's or lookup a tutorial on how to use custom font's (of which quite a few really nice one's are available here on itch). Not sure you need this anymore but hope this helps none the less.