Go to the gohenry website and click the button to sign up. It takes just minutes to open your account online and there's no credit card required. After you sing up you'll receive your gohenry card(s) in the mail in about 7 days. Once you receive your card, follow the instructions on the letter enclosed with your card(s) to activate them. When you activate your child's card you'll be able to set their allowance, limits and rules, and then you're ready to start managing money more easily with your children.