Windows Defender AV and the Windows Security app use similarly named services for specific purposes.

This tutorial will show you how to enable or disable the Windows Security app for all users in Windows 10. Family options - Includes access to parental controls along with tips and information for keeping kids safe online.Device performance & health - Has information about drivers, storage space, and general Windows Update issues.Device security - Provides access to built-in device security settings.App & browser control - Windows Defender SmartScreen settings and Exploit protection mitigations.Firewall & network protection - Has information and access to firewall settings, including Windows Defender Firewall.Account Protection will encourage password users to set up Windows Hello Face, Fingerprint or PIN for faster sign in, and will notify Dynamic lock users if Dynamic lock has stopped working because their phone or device Bluetooth is off. Account protection - Makes it easier for users to protect their identity when signing in to Windows with the new Account Protection pillar in Windows Security.Virus & threat protection - Has information and access to antivirus ransomware protection settings and notifications, including the Controlled folder access feature of Windows Defender Exploit Guard and sign-in to Microsoft OneDrive.

Windows Security has seven areas that protect your device and let you specify how you want your device protected: The Windows Security app is a client interface on Windows 10 version 1703 and later that makes it is easier for you to view and control the security protections you choose and better understand the security features already protecting you on your Windows 10 device. How to Enable or Disable Windows Security in Windows 10

How to enable microsoft defender