After San Francisco font pack is installed, you can access it as usual just like you would any other font on the Mac through an appropriate text styling modification menu. San Francisco “SF Compact” font is for Apple Watch and WatchOS, whereas San Francisco “SF Pro” font is for Mac and MacOS, iPhone / iPad and iOS, and Apple TV and tvOS. What is a MAC and what do they do? A Medicare Administrative Contractor (MAC) is a private health care insurer that has been awarded a geographic jurisdiction to process Medicare Part A and Part B (A/B) medical claims or Durable Medical Equipment (DME) claims for Medicare Fee-For-Service (FFS) beneficiaries. Yo Guys, I hope you enjoy the video. Be sure to comment if you have any problems and also be sure to subscribe as my 500 subscriber giveaway is going.