If you need to know which patch number you’re on do the following:
- Go to Finder > Applications > The Sims 3
- Right click on The Sims 3 file (the one with the game icon) and go to Show Package Contents:
- A new Finder window will open
- Open the Contents folder and then open the Info.plist file (this will automatically open in TextEdit. This is your Patch number:
For Expansion and Stuff Packs open the Contents folder (as before) > Resources > AddOns then right click to Show Package Contents, open the Contents folder then Info.plist as before.