How to use Bitcoin to add money to your Microsoft account

Use Bitcoin to add money to your Microsoft account. Go to account.microsoft.com and sign in to your Microsoft account.; Under Payment & billing, select Payment options.; Select Redeem bitcoin, select the amount you want to add, then select Next.; Review the amount of Bitcoin needed and use your digital wallet to complete the transaction within 15 minutes.

https://support.microsoft.com/en-us/help/13942/microsoft-account-how-to-use-bitcoin-to-add-money-to-your-account