Follow these steps to redeem your PlayStation Now code on the PS4 or on PC:
Redeem your code on PS4:
Log in or choose your local player account (if you are already logged in).
Go to “Settings”, “PSN”, “Account Information”, “Wallet”, and “Add funds”.
Press the “X” button and select “Redeem Code”.
Enter the PlayStation Now code sent to your email, and confirm by pressing “Continue”.
Redeem your code on PC:
Go to the PlayStation Store, and click on your account Avatar.
On the Drop-Down menu select “Redeem Codes”.
Type in the code sent to your email and click on “Redeem”.
Your PlayStation Now subscription will now be added to your account.
You can redeem your PS Now code on either PS or PC. When using your PS Now subscription, you can stream games on PS or PC. Downloading games is only available on PS4.
You can use your PS Now code to start or continue a PlayStation Now subscription. A PlayStation Now subscription is an on-demand gaming service that lets you stream 700+ games on your PS or PC. Do you have a PS? Then you can also download games on your console with your PS Now subscription.
Please note that in order to play games in online multiplayer mode, you’ll also need a PlayStation Plus subscription.
To access over 700 games with your PS code, you need a PlayStation account.
Your PS Now code doesn’t have an expiration date.
You can get in touch with them here (in Spanish).
By using this service, you consent to the terms and conditions of PlayStation. To view these, please visit https://www.playstation.com/es-es/legal/important-information-about-the-ps-now-service/ (in Spanish).