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Windows Security

Your security matters. From the moment you turn on your PC, Windows 11 defends against potential risks to help make sure your credentials, photos, and files don’t fall into the wrong hands.*

Check for security updates

AI-powered security

From your every day to when you’re away, AI-powered Windows security keeps you safe.

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Trust your apps

With the power of AI, Smart App Control can help predict which apps are safe to run on Windows 11.1

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Your data protected

Harder to hack and easier to update, PCs with Microsoft Pluton have the ultimate security processor built right in.10

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You are the security

Windows 11 can lock your device when you leave, then, with Windows Hello, unlock it and sign you back in when you return.2*

Your privacy matters

Maintain your privacy wherever you are with Windows 11 security features that help protect what matters to you across your devices.

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Your privacy matters

Maintain your privacy wherever you are with Windows 11 security features that help protect what matters to you across your devices.

Microsoft Account

From your PC to the cloud, online or on the go, your Microsoft account helps protect your identity and data.

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Privacy Dashboard

Easily adjust settings and permissions in your Privacy Dashboard, like which apps are using your camera, mic, or location.

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Find My Device

Locate, lock, or erase your device to protect your personal information and data if it’s lost or stolen.

See how it works

Your identity secured

Step up your security with identity protections that keep what’s yours, yours.

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Your identity secured

Step up your security with identity protections that keep what’s yours, yours.

Windows Hello

No more passwords to remember. Just sign into your Windows devices with facial recognition or your fingerprint.24

Learn more

Microsoft Authenticator

Easy, secure sign-ins for all your online accounts using multifactor authentication, passwordless phone sign-in, or password autofill.

Download it now

Passkeys

Forget the password. Get fast, easy, and secure sign-in and protection against phishing for your online accounts.24

Set up your passkey

Security from every angle

Windows 11 PCs deliver layers of security to help keep bad actors at bay. From malware and data protection to trustworthy apps, your credentials, photos, and files are protected.

What is malware?

What is malware?

Any software created to intentionally harm a computer can be considered malware. Common types include viruses, trojans, spyware, and ransomware. How they operate can vary from stealing your passwords to holding your files for ransom until you pay.

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Microsoft Defender Antivirus

A next-generation protection solution that comes with Windows 11, Microsoft Defender Antivirus is real-time, always-on antivirus protection.

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Microsoft Defender SmartScreen

If a website, application, or download is potentially malicious and could harm your computer, SmartScreen will warn you.

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Windows Firewall

With Windows Firewall, unwanted traffic is blocked from entering your PC.

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Bluetooth protection

Whether you’re using Bluetooth headsets, mice, keyboards, or other wireless accessories, you can feel confident that it’s a secure connection.

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Secure Wi-Fi

Windows Wi-Fi supports industry standardized authentication and encryption methods, to help keep you safe no matter where you connect—even on public networks.

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Virtual private networks (VPN)

A VPN, or virtual private network, is a secure tunnel connecting your PC and the internet. A variety of VPN apps are available in the Microsoft Store.

Safety where you need it

All Microsoft Store apps are verified for security, so you can trust what you install.

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Family Safety

Manage your family’s digital safety with screen time limits, content filters, activity monitors, and location sharing.5

Download it now
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Microsoft Edge

Built-in security features help fend off online threats as you safely browse the web with Microsoft Edge.6

Try Edge today
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OneDrive

Cloud-based file and photo protection helps you securely store, share, and sync your stuff across devices.7

Create a free account
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Microsoft Defender

Microsoft Defender89 works with Windows Security to protect your PC and gives you advanced protection across devices.

Download now

Explore Windows 11

This is the best of Windows made better, with a Copilot for every person on every device.

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AI in Windows

AI-powered features are part of Windows 11, giving you enhanced security, intuitive assistance, and the power to create beyond your imagination.

Learn more
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Meet Windows 11

Easier to use, to be productive, to stay safe, and to play to your heart’s content, Windows 11 lets you focus on what matters while it does the rest.

Learn more
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Help me choose

Not sure which PC is right for you? Let us help. Answer a few simple questions, and we’ll show you the PCs that can fit your needs.

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Shop Windows 11 PCs

Sleek, innovative, and exactly what you need. Find a Windows 11 PC that fits your needs today.

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  • Screens simulated. Features and app availability may vary by region.
  • Some features require specific hardware. Learn more at Windows 11 Specs and System Requirements.
  • * For supported devices with latest security updates installed.
  • 1 Only available on the latest version of Windows 11. In order to keep you as safe as possible, you must start with a fresh system. PCs that have been running previous versions of Windows must do a full reset of the Windows 11 operating system for the feature to work. Available in North America, and Europe.
  • 2 Hardware-dependent.
  • 4 Facial and fingerprint recognition work with devices equipped with the correct sensors. PIN, facial, and fingerprint recognition require Windows Hello to be set up.
  • 5 App available as separate download for free. Location permissions must be active; driving safety available only in the U.S., U.K., Australia, and Canada; Microsoft 365 Family subscription required for location alerts and drive safety features.
  • 6 Available on the latest version of Microsoft Edge. Must be signed into a Microsoft account.
  • 7 Files may be made available for offline use. Otherwise, internet access required. Fees may apply. OneDrive files are restored to the state they were in before the attack occurred. File versions created up to 30 days in the past can be restored at any time for any reason. Requires Microsoft account.
  • 8 Subscription sold separately.
  • 9 App availability varies by geography.
  • 10 Built in on all Copilot+ PCs and hardware dependent on other Windows 11 PCs.