It requires Microsoft Graph Application registration. Start at the Microsoft Azure portal:
https://azure.microsoft.com/en-us/features/azure-portal/

Application registration: Go to the App registrations and click on New registration:



Name it. Select Single-page Application as a platform. The redirect URL must end withWebInterface/login.html. Then click on register.



Make sure that MSAL.js 2.0 and Implicit grant (Access Token, ID Token) grant types are permitted.



Configure the API permissions:



Get Client ID and Tenant ID from App registration -> Overview.



Go to the Preferences-> Ip/Servers and select the HTTP or HTTPS port item(OAuth Sign in Tab) where you want to enable the Microsoft Sing-In button. Check the "Enable Microsoft Sign in" flag and provide the Client ID and Tenant ID of your App registration(mentioned above).


!!!Continue on: CrushOAuth