Go to a trusted retailer or online store that sells Google Play gift cards
Choose the gift card amount you want
Add the gift card to your cart or select the digital delivery option
Enter your payment details and complete the purchase
Check your email or receipt for the gift card code if buying digitally
Scratch off the back of a physical card to reveal the code if buying in-store
Open the Google Play Store on your device
Tap your profile icon
Tap Payments and subscriptions
Tap Redeem code
Enter the gift card code and confirm redemption