Autofill Credit card in Microsoft Store My File Explorer Website

Can you please explain and be more specific about the issue you are facing?

Even if it's free, you need a payment method on file in order to download content. The 360 store is set up differently than the store on the One/website and the store on the One/website do not recognize your Microsoft account balance as a valid payment option
for 360 content. So in order to download 360 content without a 360 console, you need a credit card or Paypal on file.

The 360 store is set up differently from the store on the One/website. The One/website do not recognize your Microsoft account balance as a valid payment option for 360 content so you have to have a credit card or Paypal on file in order to purchase 360
content, even if it's free.

The 360 store is set up differently than the store on the One/website. The One/website does not recognize your Microsoft account balance as a valid payment option for 360 content. So you have to have a credit card or Paypal on file in order to make 360 purchases,
even if they're free.

The 360 store is set up differently than the store on the One/website. The One/website does not consider your Microsoft account balance to be a valid payment option for 360 content so you have to have either a credit card or Paypal on file in order to make
360 purchases, even if they are free.