-: ATTN - if your game won't start, READ HERE :-

So I recently downloaded the sims 3 starter pack on my early 2015 macbook air and like many other mac users I realized that the game would not work. Then I came across a list of instructions that i found on Bluebella's website and it claimed that would make my laptop compatible with the game. But after many attempts I still couldn't get it to work. So now I'm back to square one. Does anyone have an idea on why editing my graphics cards didn't work? Im so desperate.