If you already have an account, you can just sign in your DualSafe Password Manager account again to activate the Premium.
If you don’t have an account before placing the order, you will receive an email from
noreply@itopvpn.com with your email address as the account and a temporary password (check both of your inbox and spam folder for the email), then please sign in with the account and the temporary password. Please change the temporary password as soon as you signed in.