As a first step you'll need to:
- Sign in to the Azure portal using either a work or school account or a personal Microsoft account.
- If your account is present in more than one Azure AD tenant, select
Directory + Subscription
at the top right corner in the menu on top of the page, and switch your portal session to the desired Azure AD tenant. - In the left-hand navigation pane, select the Azure Active Directory service, and then select App registrations (Preview).
- Navigate to the Microsoft identity platform for developers App registrations page.