安裝 Microsoft Defender - Microsoft 支援服務
在 iOS 裝置上 開啟 https://aka.ms/iosDefender (或掃描) 下方的 QR 代碼，以移至 Apple App Store 中的 Microsoft Defender，並依照安裝步驟進行。
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Installing Microsoft Defender - Microsoft Support
Important: This article is about the Microsoft Defender app that is included with Microsoft 365 Family or Personal subscriptions. If you're looking for information about the Microsoft Defender Antivirus that is built into Windows, see Stay protected with Windows Security.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Windows 10 上的防病毒扫描导致游戏崩溃 | Xbox Support
如果您在 Windows 10 上玩腐烂国度 2、盗贼之海或除暴战警 3 时遇到常见的游戏崩溃或不稳定问题，这可能意味着您的防病毒软件正对该游戏进行扫描。您可以设置文件排除项以防止发生这种情况。 全部展开
Stay Protected With the Windows Security App - Microsoft Support
One of the key benefits of the Windows Security app is its ability to provide real-time protection. Microsoft Defender Antivirus continuously scans your device for potential threats and takes immediate action to neutralize them.
How to start a scan for viruses or malware in Microsoft Defender
If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Virus and Threat Protection in the Windows Security App
The virus and threat protection page of the Windows Security app is designed to help you safeguard your device against various threats such as viruses, malware, and ransomware.
Protect my PC from viruses - Microsoft Support
Use an anti-malware app - Installing an anti-malware app and keeping it up to date can help defend your PC against viruses and other malware (malicious software). Microsoft Defender is free anti-malware software included with Windows, and it's kept updated automatically through Windows Update.
Microsoft security help and learning
Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.
Windows 安全中心 应用中的病毒和威胁防护 - Microsoft 支持
Windows 安全中心应用的“病毒和威胁防护”页面旨在帮助你保护设备免受各种威胁（如病毒、恶意软件和勒索软件）的侵害。 该页提供对多个功能和设置的访问权限，以确保全面保护，分为以下部分： 当前威胁：此部分显示设备上当前发现的任何威胁、上次运行扫描的时间、花费的时间以及扫描的 ...
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Security Troubleshooter.