March 2020
@TiaraMabrey I'm sorry, but Sims 3 doesn't run in Catalina at all: the game is a 32-bit app, and Catalina is 64-bit only. I wrote a more thorough reply here:
October 2020
help
October 2020
@t5omobtd7nfq What do you need help with? Please describe your issue in detail, and someone will try to help.