Nobody can tell you anything without exact system info or other technical details like exact version of AE. Just saying that it doesn't work is not good enough.
Please refer the below details and help us.
Adobe AE 22.214.171.124
System : iMAC ( Retina 5K, 27-inch, Late 2015 )
OS X EI Capitan Version 10.11.6
Processor 3.3 GHz Intel Core i5
Memory 8 GB 1867 MHz DDR3
Statrtup Disk Macintosh HD
Garphics AMD Radeon R9 M395 2048 MB
What do you mean when you say the font isn't working?
Also, you are not running the latest version of AE. So you might consider updating. The latest version is 14.1.0.x
Did you ever solve your font issue? Please let us know what's going on.