Amember staff installed the whole thing for me, today when i tested the payment system, I have found out a this problem. -checkout > registration> payment page( I didn't complete the payment process, but when i go back to the website, I already have access to member page. please help. I don't know anything about programming.
It is correct behaviour. You have access only to member area but not to protected content. In member area you can edit your profile, purchase another subscription but without real payment you will not be able to access protected content.