When you register an account, an email is sent to your email address to verify your account. If you have not received a confirmation email, try to re-send it from the My Account page.
Remember to check your spam or junk folders, as this email could have ended up there.
If you are a citizen of the European Union or the United States of America and underage, you will need consent from your parents or guardians in order to play Star Stable. You will find an additional field asking for a parent email address in this case. Please make sure that this email address has been entered correctly, so that your parents can give their consent and you can gain access to your account.