2020deception: You did not buy it from GekkoScience. You bought it from a reseller. If you check the order details there should be further info on the actual seller, including some kind of contact info.

Stavroski: Connect to the pool and let it mine for a while - an hour at least. Typically the starting share threshold is high because pools expect a higher hashrate so it may take a while before any shares register, but after a few the pool should adjust the threshold. You may also look into the --suggest-diff command.