GIVE ME REFUND !!!! THIS GAME IS NOT WORKING STABLE

I CAN NOT PLAY ULTIMATE TEAM CLEAR. I WANT TO TAKE REFUND BUT I CAN NOT DO IT FROM YOUR OWN REFUND SYSTEM. IT DOESNT WORK PROPERLY TOO! I WANT TO TAKE MY MONEY BACK AND BUY ON MY XBOX. YOU COULD NOT MAKE IT OPTIMIZED FOR PC. CONTACT ME  ASAP!