Double-click the font in the Finder, then click Install Font in the font preview window that opens. After your Mac validates the font and opens the Font Book app, the font is installed and available for use.
Download and install the Swell Braille font for free from FFonts.net. ️ This font has been downloaded 3,000+ times. Sep 25, 2018.
Fonts that appear dimmed in Font Book are either disabled ('Off'), or are additional fonts available for download from Apple. To download the font, select it and choose Edit > Download.