The default system font in OS X is the type face used for displaying practically all system features, including menu items, system preference labels, titles for documents, the date and time, and other instances where system panels and programs display text. While in the Classic Mac OS (version 9 and earlier) Apple included options for changing the default system font, this has not been an option in OS X. However, if you want, you can, with a little tweaking, change the default font to any TrueType font of your choice. Continue reading