BF6 Crashes, I just WANT MY MONEY BACK

I've been crashing since this game has came out, I lteraly did everything switching gpu, MB, undervaluing, DDU of adrenaline and replacing riser cable and it still crashes... I can't find a place to contact EA. I just want my money back in the beginning the game worked than the updates for some reason has destroyed the game for me.... where do I go for a refund. please help