* To add a payment method to your Google Play account, do the following:
- On your Android phone, go to you're payment methods in Google Play or by pressing on the following link: https://play.google.com/store/paymentmethods
- Tap Add a payment method.
- Choose the payment method you want to add.
- Follow the on-screen instructions.

* To remove a payment method from your Google Play account, do the following:
- On your Android phone or tablet, go to payment methods on Google Play or by pressing on the following link:https://play.google.com/store/payment methods
- Tap More Settings and then Payment Settings.
- If asked, sign in to Google Pay.
- Under the payment method you want to remove, tap Remove and then Remove.

* To edit your payment method on your Android phone or tablet, do the following:
- At the top right, tap your Profile Icon.
- Tap Payments & subscriptions, Payment Methods, and More Payment Settings Settings.
- If asked, sign in to Google Pay.
- Under the payment method you want to remove, tap Edit.
- Make your changes.
- Tap Update.

Please see the Google Help Center articles for more information about these options.
https://support.google.com/googleplay/answer/4646404?co=GENIE.Platform%3DAndroid&hl=en&oco=0&sjid=9430234756266488262-EU