Microsoft Account payment issues and problems
To start with, let us make sure we have a Microsoft account. As odd as it might sound, most users try to purchase products from the store after logging on to Windows and launching the Windows Store app (because logging on to Windows itself doesn’t need a Microsoft account), without creating a Microsoft account. However, to add payment modes and manage them, we need a valid account.
Add a new payment method
The payment options can be added and modified from the Payments page here. It prompts for adding a valid payment option while making a purchase as well.
Manage money in your Microsoft account
Buying with the money in your account: If you have money in your account, follow the usual steps for purchasing, except when they prompt for the payment method, chose Microsoft account.Adding money to your account: To add money to your Microsoft account, you could buy a gift card of that account from the gift card page here. Enter your details and go to the redeem page here. Once you redeem your gift card, the amount will be credited to your Microsoft account balance.Pay for a past due subscription: If you wish to pay for your past-due subscriptions directly (not using the gift card), then log on to the services and subscriptions page here. Find your subscription, click Pay now and make the payment with your card or PayPal.
Managing expired cards
Update them on the Payments page here.
Check the status of orders
The order history along with the status of the orders is listed here.
Usual errors and their resolutions
Unable to buy an app on Microsoft store
Some apps are region-specific, and users can buy them only if their address falls within the permitted region. Moreover sometimes, simply changing the Internet connection has also known to have helped.
The bank doesn’t authorize the purchase
Contact the bank for the same. If none of these helps, you may contact Microsoft support here. Related read: Microsoft Store payment failed errors & problems.