You can't link a purchase made as a guest to your main account.
You can still return an item if it is faulty/not as described, or if you bought from a business seller. You cannot leave feedback.
"There are two ways to be fooled. One is to believe what isn't true; the other is to refuse to believe what is true.”
Søren Kierkegaard, Danish philosopher (1813 - 1855)
