Sign in to your services and subscriptions page with your Microsoft account.
Find the subscription you want to manage in the list, then select Change how you pay.
Select the new way to pay from the list, or select Add a new payment option and follow the instructions.
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Get help with the most common problems other people have had with Windows 10.
Check if your question has already been answered in the Microsoft forums, or post a new question.
Whether you’re brand new or just want a refresher, get info on the basics of Windows 10.