The title says it all. This tutorial is ONLY for mac, because I am not very good in pc, plus I don't think it has terminal.
1. Go to finder/applications/utillities/terminal or wherever terminal is located on your computer
2. Copy and paste this into terminal:
cat Library/Preferences/The\ Sims\ 3\ Preferences/system.reg |grep -A1 ergc
3. Scroll down until you find your serial code, it will show up as long as you have it installed on the computer. Terminal will show all EPs if you have them.
I hope this helped! (Sorry I don't have a picture, I don't use mac anymore)
