MB Type: Quick Start Instructions Open one of the adjacent subdirectories to reveal the font files, which all have the .otf file extension. Option 1: From the main directory of your system drive, open the folder `Library`, then the folder `Fonts`. Drag the fonts into this folder. Option 2: Open Applications > Font Book. Drag the fonts into the font list that appears. For more details on how to use the fonts, see the FAQ at https://mbtype.com/faq This font was not designed by me. The license is in the top level of this zip archive. I can't offer technical support for this font.