If you have not received an email with instructions on how to activate your account, you can easily do so yourself by following these instructions:
If you have entered your email address and received the following error, "No account exists for this email address." First, check if your email address is correct. If your email address is correct, it's possible an account has not yet been set up for you by your pet care company. Please contact your pet care company directly to check that they have created an account for you, and to verify that the email address on your profile is correct before using the Activate My Account button again.