Install fonts in macOS Sierra

1 Download your font

Do a search in your browser for ‘fonts for download’ and you’ll get plenty of options, such as befonts.com. Click on the link to download a font. By default, it’ll appear in your Downloads folder.

2I nstall Font

Open Finder and navigate to your Downloads folder. Double-click on the file with the extension .otf or .ttf. Font Book will open and show you a preview of your new font. Click Install to add it.

3 Use Font

Close Font Book. Open the document you want to use the new font in. Type your text in, then highlight the text, and simply select the new font from the dropdown menu.