Before you use Apple Configurator to sign in to your Apple School Manager, Apple Business Manager, or Apple Business Essentials account, you must have purchased paid or free apps in Apple School Manager, Apple Business Manager, or Apple Business Essentials. You can sign in with your Managed Apple ID, but you won’t be able to purchase apps from the App Store.
In Apple School Manager, this can be an account with the role of Instructor or Manager with privileges to buy apps and books, Content Manager, Site Manager, or Administrator. In Apple Business Manager and Apple Business Essentials, this can be an account with the role of Content Manager or Administrator.
Note: You must accept the terms and conditions in Apple School Manager, Apple Business Manager, or Apple Business Essentials regarding purchasing apps and books before you can add them using Apple Configurator.
In Apple Configurator
, choose Account > Sign In, and sign in with your Apple School Manager, Apple Business Manager, or Apple Business Essentials Managed Apple ID that has privileges to buy apps and books.Enter your six-digit verification code.
If you have approval to purchase content in Apple School Manager, Apple Business Manager, or Apple Business Essentials, after a short delay you’ll see a list of locations available for you.
Choose a location, then click Select.
Select one or more devices or Blueprints.
Do one of the following:
Click the Add button
in the toolbar, select Apps, then select the apps in the window.Choose Actions > Add > Apps.
Control-click the selected devices or Blueprints, then select Add > Apps.
The number next each app indicates the number of licenses the app has available for assignment.
Click Add Apps, and the apps are immediately added to the devices or stored as an action in the Blueprints.
, 
in the toolbar, select Apps, then select the apps in the window.