We would recommend reaching out to Premium Care directly at 866-371-9501 or using the below FAQ for assistance.
Samsung Premium Care FAQ: https://www.samsung.com/us/support/premium-care/faqs/
Hope this message finds you well!
I'm not sure if you got it but I downloaded the Samsung member app in the search area on the top, search premium care. Click the get protection for your device. Then see if you're eligible if you are e you'll be prompted to add to cart and pay.