How to Redeem a PlayStation Store Gift Card

Visit the PlayStation Store: Go to https://store.playstation.com/ or open the PlayStation Store on your console.
Log in to your account: Sign in to your PlayStation Network (PSN) account or create a new one if needed.
Navigate to “Redeem Codes”: In the PlayStation Store, scroll to the bottom of the sidebar and select “Redeem Codes.”
Enter your gift card code: Input the 12-digit code from your PlayStation Store Gift Card.
Redeem the code: Click “Continue” to apply the gift card balance to your PSN account.