To follow this guide you will need:
The correct role: theSecurity Administrator,Conditional Access Administrator, orGlobal Administratorroles are needed to perform these steps.
in the Azure Active Directory admin center.
From the side menu, select Properties:
At the bottom of the page, select "Manage Security Defaults":
A side menu to "Enable Security Defaults" should appear with a single control to enable Security Defaults. Slide it over to Yes.