a. Users need to bind a sub-account to email and set the login password to log into the sub-account on the web portal.
b. Click [Manage] to enter the sub-account management page.
c. Click [Bind] to bind the sub-account with email.
d. After completing the binding, you may log into the sub-account on the web portal using email and password.
e. You may also click [Sub-account Quick Login] on the upper right corner of the sub-account list in the primary account to log into your sub-account without entering the password. Once logged into the sub-account, you will be signed out from the primary account.