A Mac User's Best Friend!/PLEASE READ BEFORE POSTING ANY NEW PROBLEM THREADS!!!!!!
First of all, I'd really like to thank BlueBellFlora for all the work, time and patience that she has put into researching and putting together many tips and tricks for the Mac users. This is a Mac us...
You should be able to get it to work through Origin. I have a similar iMac to yours and I've updated to Sierra and it works fine. Of course I have my games all digital through Origin. Runs just fine.