How do i enter the administrator's management interface?

If I don't see my profile picture on the top right, or I do not see the management option on the top right -I am probably not logged in yet.

What I need to do is:

1. Login: We must click on the login button on the top right, enter an email, and then enter a password and wait for the system to recognize and enter us

2. Entering the question: At this point we will need to enter the question page on which we have management permission. If the management button doesn't appear on our main page, it means that we do not manage the entire site, and we must go to the question page, where we will see the management interface.

3. Switching between interfaces: By clicking on these buttons we can switch between the management interface (where all the editing options and statistics are), and the user interface (which is the interface presented to the participants.

How do i enter the administrator's management interface?