Solved
Sims 4 crashes on Mac on Startup
I just got my game and every time I open it, everything on the desktop enlarges (in size), and then the swirly rainbow loading thing happens without the game launching. When I quit out of it the size...
Go into Documents > Electronic Arts > The Sims 4 and open the Options.ini file. Scroll down to find fullscreen and change the 1 to a 0. Your game should now open in windowed mode which will hopefully fix the issue.
