Re: Sims 4 won't launch after Growing Together
@Sibilla2334 Your EP13 folder is inside the Sims 4 user folder. Hopefully this isn't also where Sims 4 itself is installed, but I can't be sure from the screenshot.
At any rate, delete this EP13 folder, restart your computer, and without downloading anything, find the install location for the game. Open your EA App library, click Sims 4, and select Manage > View properties, and you'll see it there: