Windows Security: System Guard, Defender Antivirus & More for Windows …
网页Windows 11 comes with Microsoft Defender Antivirus, a next-generation protection solution that helps detect and prevent malware. It also has other security features, such as Windows Hello, Passkeys, Microsoft Edge, and Microsoft 365 Defender, to protect your identity, data, and apps.
How to get started with Microsoft Defender Antivirus on Windows 11
网页2023年11月10日 · Learn how to manage and customize the default anti-malware application on Windows 11 to protect your computer from viruses, spyware, ransomware, and hackers. Find out how to update definitions,...
Windows 安全中心：适用于 Windows 11 的 System Guard、Defender …
网页Windows 11 预装了 Microsoft Defender 防病毒、SmartScreen、防火墙等多种恶意软件防护功能，以及 Windows Hello、密钥、Microsoft Authenticator 等创新的身份保护功能。Windows 11 还提供了 Microsoft Edge、OneDrive、Family Safety 等强大安全的应用，帮助用户保护信息和应用的安全。
Stay protected with Windows Security - Microsoft Support
网页Learn how to use Windows Security, the built-in antivirus program for Windows 10 and 11, to protect your device and data from malware, viruses, and other threats. Find out how to run scans, schedule scans, customize settings, and access other security features.
Does Windows 11 Need Antivirus on Laptops? | Microsoft Surface
网页2024年1月23日 · Learn how Windows 11 built-in antivirus and security features like Microsoft Defender and Microsoft Edge SmartScreen can protect your laptop or PC from malware and viruses. Find out when you might need additional antivirus software and how to choose a reputable solution for your Surface device.
How to Enable or Disable Microsoft Defender in Windows 11
网页2021年10月12日 · Learn why and how to turn off Microsoft Defender Antivirus, the built-in free anti-malware program in Windows 11. Find different methods to disable it temporarily or permanently using Settings, PowerShell, Group Policy, Registry Editor, or Autorun.
Getting started with Microsoft Defender - Microsoft Support
网页Windows Security, formerly known as Windows Defender Security Center, is an app built into Windows 10 or 11 that helps keep your PC more secure. It includes Microsoft Defender Antivirus, an antivirus tool that helps protect you against viruses, ransomware, and other malware.
How to Use Windows Security (Microsoft Defender Antivirus) on Windows 11
网页2021年10月19日 · Learn how to use Windows Security, a free built-in antivirus and anti-malware tool that protects your Windows 11 system from various threats. Find out how to access, update, and manage its features such as virus and threat protection, firewall, app and browser control, and more.
Enable or Disable Microsoft Defender Antivirus in Windows 11
网页2022年1月27日 · Learn how to turn on or off Microsoft Defender Antivirus, an antivirus software included in Windows 11, using Local Group Policy Editor or REG file. See screenshots, steps, and tips for different Windows 11 …
How do I turn on Windows Defender in Windows 11
网页2022年6月17日 · Open Settings > Privacy & Security > click Windows Security > click Virus & Threat Protection > click click Virus & Threat Protection settings > Turn ON Real-time protection. I hope this helps. Feel free to ask back any questions and keep me posted.
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