Note that it will ask you to fill out company information but you can input anything to get the freebie. After you enter your information, you will have other offers pop up but you can just x out of them and click no thanks.
Also, note that you will receive an email confirmation from Mercury Magazine that includes your unique redemption code along with instructions on how to claim your free magazine. The email will be coming from firstname.lastname@example.org with the Subject Line “Your Magazine Redemption Code for Parents Magazine is Here!“ Allow six to eight weeks for your first issue to arrive. Note that your email may take up to an hour to arrive and could be sent to your spam folder.