My code of gears of war 3 does not work

Hi, i bought gears of war 4, which came with 4 codes to unload the previous games . I try to download gears of war 3 and did not work the code tells me i have to change the language, i did and still not working. I need help please!!

If you could redeem the codes, could you please help me, I have the same problem

You have to ask Microsoft about it or message @TC_Octus so he can point you in the right direction