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Microsoft Defender Coming to Windows 11 as a Default App for Microsoft 365

Microsoft Defender will now install automatically to Windows machines through Microsoft 365, sitting alongside Windows Security.


Defender is a cross-platform anti-virus and security protection suite for subscribers. However, it is not natively available on , which means M365 customers must install it. Reports suggest Microsoft is now ready to bring the Defender app to Windows by default.

This doesn't mean all Windows 11 users will be able to access the app. You will still need a Microsoft 365 account. Also, – itself a branch of – will continue to serve as the native anti-virus tool.

Even so, Microsoft now wants to automatically install Microsoft Defender onto all PCs. I guess this will come with prompts to buy Microsoft 365 to access the complete security suite.

The company sent an email to Microsoft 365 subscribers (via Neowin) with the title “Keep your identity safer online”. The company highlights the benefits that Defender brings, adding:

“The Defender app will soon be automatically added to your or Windows 11 device during a routine update of your Microsoft 365 apps. Look for it in the Start Menu and make sure to sign in to activate your protection.

Just launch it from the Start menu and sign in with the personal Microsoft account you use for Microsoft 365.”

Happening Already

This switch is already underway, with users saying they are already seeing the Defender app. This week, the app will become a part of the Microsoft 365 installer, so anyone installing Microsoft 365 will now get Defender automatically. Active M365 subscribers will find Defender on their machines through an automatic update.

Windows Defender became Microsoft Defender with the launch of Windows 10 20H1. Microsoft originally made the name change when Defender first became available on Apple's Mac.

Tip of the day: Is your system drive constantly full and you need to free up space regularly? Try Windows Disk Cleanup in extended mode which goes far beyond the standard procedure. Our tutorial also shows you how to create a desktop shortcut to run this advanced method right from the desktop.

Luke Jones
Luke Jones
Luke has been writing about all things tech for more than five years. He is following Microsoft closely to bring you the latest news about Windows, Office, Azure, Skype, HoloLens and all the rest of their products.

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