In order to activate your subscription, check your email and click on the link in that email. You will not receive your subscription until you click that link to activate it.
If you don't see that email in your inbox shortly, check your Junk Mail folder. Otherwise, fill out the form again to have another copy of the confirmation email sent to you.
Once your subscription has been activated, an email with the first video will be sent to you, so watch out for that too!