By default, all users signing in to the platform are logged in to Learner View. As an Unrestricted or Restricted admin, you can use the view switcher located in the user profile menu to access platform administration tools - and then switch back to Learner View when you're ready to see the results of your work.
Access the user profile menu by clicking on the user profile icon in the platform header. Select Admin to access platform administrative tools. Select Learner View to return to your catalog homepage.