
Explanation:

Register a new application using the Azure portal
* Sign in to the Azure portal using either a work or school account or a personal Microsoft account.
* If your account gives you access to more than one tenant, select your account in the upper right corner.
Set your portal session to the Azure AD tenant that you want.
* Search for and select Azure Active Directory. Under Manage, select App registrations.
* Select New registration. (Step 1)
* In Register an application, enter a meaningful application name to display to users.
* Specify who can use the application. Select the Azure AD instance. (Step 2)
* Under Redirect URI (optional), select the type of app you're building: Web or Public client (mobile & desktop). Then enter the redirect URI, or reply URL, for your application. (Step 3)
* When finished, select Register.