Run in the backgroundĪ security tool that only works sometimes isn't nearly as effective. During this process, we'll ask you to give Defender permission to do two things: run in the background and use the Accessibility Service. When you first sign into Microsoft Defender on Android, we'll walk you through a few easy steps that start with setting up web protection. Note: If your device has both a Personal Profile and a Work Profile, then you need to install the app in the Personal Profile.įollow the installation steps on the Play Store page.Īfter installing, sign in with the personal Microsoft account (such as or that is associated with your Microsoft 365 subscription.