Activation is for the US and EU region, other regions are not guaranteed.
They are NOT suitable for any other services and have no balance.
You can use these only for activating Xbox game pass trial codes (14 days, 1-2-3-4-5-6-7-8-9-10-11-12 months).
Instructions:
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How to apply the card for activation:
1. Go to
http://redeem.microsoft.com/
2. Log in to your account
3. Enter your key
4. We are completing the data
5. We get to the choice of payment method, and select "Payment"
6. Enter the data that we received when buying
7. Ready, everything works!