Find this on the amdrewards site,
![amdrewardssupport.png amdrewardssupport.png](/t5/image/serverpage/image-id/92928iE6B37E923180A108/image-size/large?v=v2&px=999)
Did you also read the help topics, may be some part of the claim process you missed/misunderstood?
Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, NM790 2TB, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T..