You'll need to onboard machines for them to report to the Microsoft Defender ATP service. Learn about the tools and methods you can use to configure machines in your enterprise.
Learn more: https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/onboard-configure
Start a Microsoft Defender ATP trial or request a quote: https://www.microsoft.com/en-us/microsoft-365/windows/microsoft-defender-atp
