Woman and man sitting on sofa look at Windows 10 laptop and mobile device together

Protect your data and devices with Windows Security

Windows 10 provides comprehensive, built-in protection—at no extra cost.1 Learn how Windows Security incorporates Hello facial recognition and biometric logins, coupled with comprehensive antivirus protection, to keep you more secure than ever.

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Microsoft Defender Antivirus icon

Windows Security

The Windows Security app provides an easy glance of your device's performance. The dashboard highlights any issues with storage, battery life, apps and software.

Windows 10 laptop displaying Microsoft Defender Antivirus window

Always defending—at no extra cost

No need to download—Microsoft Defender comes standard on Windows 10 as part of Windows Security, protecting your data and devices in real time with a full suite of advanced safeguards.1

Files are secured and accessible across devices

Save your files to OneDrive to keep them protected, backed up, and accessible from all your devices, anywhere.

You manage your privacy

Set your location, camera and data usage options in the easy-to-access account settings panel.

Help keep your family safer online

With Windows 10 and Windows Security, schedule screen time, limit access to mature content and restrict online purchases, including apps, games, and films.2

Man sitting at desk signs into his laptop with Windows Hello
Windows Hello icon

Look at that, you don't need a password.

Forget your passwords. With Windows Hello, logging in just takes a glance with your face or a scan of your fingerprint.3

Sign in your way

Unlock accounts with your fingerprint, a face scan, or a PIN. With Windows Hello, logins aren’t only faster and more convenient—they're more secure, too.4

Own your identity

The data used to verify your fingerprint or face is both encrypted and isolated to your PC.5 We only ever see diagnostic data, which is used to improve functionality and detect and prevent fraud.

Instant access to apps and accounts

Windows Hello grants you fast, seamless, and secure access to your Microsoft account and apps linked to it6, like Outlook, Microsoft Edge, and Xbox.

Windows 10 updates on your time

Windows Security provides new features and updates for free. Now you have the option to update when it's convenient for you.

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You’re in control with searching, streaming and gaming

Woman and child eat popcorn while viewing a Windows laptop

Set parameters with Ask a Parent tool7

If your kids want more screen time or to purchase a game, app or film, you can require them to request your permission first.

Man holding and feeding a baby in the kitchen across from man using Microsoft Edge browser on Windows 10 laptop

Get things done securely and quickly on the web

Microsoft Edge and Bing feature built-in learning tools, 4K8 streaming and advanced cyber protections—all optimised for Windows 10.


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Share and edit files in OneDrive

Save files to OneDrive to keep them protected, backed up and accessible from your iOS, Android and Windows devices, virtually anywhere.9 Even offline.

Laptop with Microsoft Edge browser privacy settings on screen
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Security and privacy you can count on

Privacy starts with putting you in control. You should have the tools and information to make informed choices. You can manage your data saved to the cloud.

Find My Device

Find My Device is a Windows Security feature that can help you locate your Windows 10 device if it's lost or stolen. It works for any Windows device, such as a PC, laptop, Surface, or Surface Pen.

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1 For the supported lifetime of the device. Internet access fees may apply.

2 Requires a Microsoft family account with Device health sharing permissions enabled.

3 Windows Hello requires specialised hardware including a Windows Hello capable device, fingerprint reader, illuminated IR sensor or other biometric sensors and capable devices.

4 Based on average time comparison between typing a password respectively detecting a face or fingerprint to authentication success.​

5 Each sensor on a device will have its own biometric database file where template data is stored. Each database has a unique, randomly generated key that is encrypted to the system.

6 Apps unlockable with a Microsoft account can be seen here.

7 Requires a Microsoft family account with Device health sharing permissions enabled. Also requires Android devices with Microsoft Launcher installed and signed in with the same Microsoft account associated with their Microsoft family account. For a parent to access and view a child’s locations and app activities through the Family web page, Microsoft Launcher must be installed on each child’s device. For a parent to access and view their child’s location(s) and app activities through Microsoft Launcher, Microsoft Launcher must be installed on both the parent’s device and each child’s device. In each case, location and app usage permissions must be allowed through Microsoft Launcher on the child’s device. Activity reporting features require Android 5.0+ on each child’s device. Family settings available on Windows 10 and Xbox One devices. Some settings available on Android devices with Microsoft Launcher installed. Family settings work on the Microsoft Edge browser only.

8 4K Ultra HD exclusivity is limited to PCs running Windows 10. 4K works in both Microsoft Edge and Netflix app. Only 7th Gen Intel® Core™ processor or higher devices can decrypt PlayReady 4K DRM. Netflix Ultra HD plan required. Requires Dolby Vision-supported PlayReady content and capable hardware.

9 Internet access may be required. Fees may apply.