HELP!!HOW Can i ask for a REFUND on my FORZA motorsport 6 which i bought from microsoft store?

hi today i accidently purchased this forza 6 ultimate in store page i didnt know its only playable on XBOX ONE and i dont have an x1 and i dont wanna have 1 now i have wasted my 57$ and dont see A RETURN option anywhere i really appreciate someones help thanks before :X

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