Upon registration you will receive an email confirmation; please follow through on that by clicking the link contained within that email.
If for some reason you do not receive such an email, please look in your spam folder.
If you somehow did not receive the email then try logging in with the username and password you signed up with and you will be sent another confirmation email.
Please Note: We clean our user tables regularly. If for some reason your name is something akin to zzbaynoff and email is cheap-pharmaceuticals AT any-domain.com we will probably delete that user.