Add your desired amount to cart and check out as you would with any other purchase. Immediately after checking out, you'll receive an email with a unique gift card code and instructions on how to redeem it. You can print that email or forward it directly to the recipient.
To redeem your Digital Gift Card, view the email sent to you after you checked out or by the person who gave you the gift card. Copy the unique gift card code in that email and paste it at checkout.