You may need to have a valid payment method on file, even if the app you want to download is free. fyi: Not all credit & debit cards seem to work with App Store / iTunes Store, try a different one, or preferably a credit card. If your card is not accepted as a paymenf method, you need to contact your bank.
Download apps to your Android device
1
Open Google Play. On your device, use the Play Store app . ...
2
Find an app you want.
3
To check that the app is reliable, find out what other people say about it. ...
4
When you pick an app, tap Install (for no-charge apps) or the app's price.
