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For detailed documentation on application registration, refer: register an app.
For details on tenancy & creating multi-tenant apps, refer: Tenancy in Azure Active Directory.
For details on pre-authorization flow & different ways to consent, refer: Consent to an application.

Setting up a Search Engine Results Page (SERP)

There are a few additional steps to setup Microsoft Search SERP before you can search for the ingested content.

• Create a SharePoint site collection with a modern search page.
• Import SharePoint module in PowerShell: Install-Module -Name Microsoft.Online.SharePoint.PowerShell
• Set up SERP using this PowerShell script:

Windows or Linux

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The Microsoft Search publisher run on either Windows or Linux.

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