HALO Reach code

Games Other Halo
1

I have a code for halo reach but cant reddem it on my xbox one, i also tried on pc but all it says is error try again later pls help.

2

Is it a 25 character code for Xbox Live? If so you should reach out to Xbox Live Support, they should be able to help you out with that

3

If you come across any issues look at this support page.