To add a payment method to your Google Play account, do the following:

On your Android phone, go to your payment methods in Google Play or by pressing  here

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 here
•  
• - 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.
• -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 by clicking here