July 2020
July 2020
@xTackyAf The error in your screenshot is often caused by trying to install Sims 3 in macOS Catalina. It doesn't work because the game is a 32-bit app, and Catalina is 64-bit only.
The unknown error has several causes, with several different workarounds. So please list the full specs of your MacBook, as described here:
Please also list any packs you've installed, any you'd like to install but haven't, and whether you've ever uninstalled any Sims 3 content from this Mac.