How to redeem a PlayStation Store voucher online 1. Go to PlayStation Store and select your profile at the top of the screen. 2. Select Redeem Code from the drop-down menu. 3. Carefully enter the 12-digit code and select Continue. How to redeem a PlayStation Store voucher with PlayStation App 1. Select the PS Store icon and then select the menu icon from the right side of the screen. 2. Select Redeem Code.