If you have a Microsoft 365 subscription, you can download the Defender app to access additional security features not available on Windows 11 or 10.

If you are facing Microsoft Defender problems on your iPhone, iPad, Android or Windows device, here are some troubleshooting solutions to help you.

Freeware DefenderUI offers you an easier way to manage all the settings of Microsoft Defender on your Windows 11/10 PC.

The new Microsoft Defender app, which is not to be confused with Windows Defender (now Windows Security), is intended to provide a one-stop solution for your security needs.

Microsoft's Defender for Windows product is morphing into more of a centralized portal for consumers who want to protect Windows PCs and Macs and iPhone/Android phone devices.