Upon downloading, the Grimm_Family_OTF.zip file can be found in your downloads folder. Unzip the file and double-click each .otf file to install. Under Mac OS, fonts may also be installed to the central font directory located at Macintosh HD/ Library/Fonts or by right-clicking on the .otf file. For Windows users, fonts may be installed by right-clicking the font file. Once installed the font will be available in the font menu of your application.