安裝 Microsoft Defender - Microsoft 支援服務
安裝 Microsoft Defender，保護您的Android、iPhone、Mac和 Windows 裝置免於受到威脅。 在您的裝置上下載 Microsoft Defender，方法如下： 掃描下列 QR 代碼 在 App Store 中搜尋 Microsoft Defender 與您的裝置共用，下列連結： 複製連結 我們鼓勵您為每個人至少在五部裝置上安裝 Microsoft Defender。 準備好試試看了嗎？
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Installing Microsoft Defender - Microsoft Support
Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching for Microsoft Defender in your app store Sharing with your devices, the following link: Copy link We encourage you to install Microsoft Defender on at least five devices per person. Ready to give it ...
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
安装 Microsoft Defender - Microsoft 支持
通过安装 Microsoft Defender，保护 Android、iPhone、Mac 和 Windows 设备免受威胁。 通过以下方式在设备上下载Microsoft Defender： 扫描以下 QR 码 在应用商店中搜索Microsoft Defender 与设备共享，链接如下： 复制链接 我们建议在每人至少五台设备上安装Microsoft Defender。 准备好了尝试一下吗？
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Getting started with Microsoft Defender - Microsoft Support
Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows, Microsoft Defender Online
Xbox 訂閱取消和退款 | Xbox Support
Learn how to cancel Xbox subscriptions, manage recurring billing, and stop future charges while retaining benefits until the subscription expires.
Request a refund for digital games | Xbox Support
Find out how to submit a request for a refund for a purchase of digital Xbox content.
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Windows Security app update - Microsoft Support
This security update provides the latest changes for the Windows Security app. The update is composed of the Windows Security app and its underlying service. This update applies to only Windows 11 devices (build 22000 or later) To determine the current running version of the Windows Security app, run the following PowerShell command: Get-AppPackage Microsoft.SecHealthUI Windows Security ...
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
Xbox Support
Xbox Support ... Xbox Support