Hi,

To do that, please use plugin Use Any Font

This plugin allow you can use more one custom font from your upload - if you want to use more font, you need to pay.

After installed this plugin, go to admin page > Use Any Font > get an API key free for one font upload and verify it and upload your font from add font like on this image

Add more this code to Customize > Custom CSS to change the font:

\
#navigation .menu li a{ font-family: 'Your Font Name'; }

Note Important: Change Your Font Name on above code to the font name you fill like on this image.

Best Regards,

PenciDesign