How can I find an activation code for Galaxy Tab E from Walmart? I haven't received it.

Dec 25, 2018
I can't find any code for Galaxy tab E purchased Wal and picked up at a Walmart store. said "A confirmation of purchase email is sent first, within 48 hours expect a second email from the distributor containing the activation or redemption code;" however, I haven't received any Email from anywhere besides receipt which didn't show any code.