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 ...

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

手机连接允许将 Android 或 iPhone 连接到 Windows 电脑，从而可以直接在计算机上访问许多手机功能。 你可以轻松地阅读和回复短信、查看移动设备中的最近照片、使用喜欢的移动应用、拨打和接听电话，以及从电脑上的移动设备管理通知。

檢查此頁面以了解 Xbox 功能和服務的狀態更新。

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

Learn how to create and save a passkey to sign in to your Microsoft personal or work/school account and many other websites, apps and services.

Windows 上的 Xbox 应用 在 Windows 设备上打开 Xbox 应用。 选择“好友”选项卡以展开“好友”列表，或在新窗口中打开它。 右键单击要从列表中报告的人员的玩家代号，然后选择 报告。 选择报告的类别和原因。 请确保从每个列表选择最准确的选项，因为这有助于 Xbox 安全正确调查投诉。 在文本框中 ...

Windows Firewall helps protect your device by filtering network traffic and blocking unauthorized access. It lowers the risk of network security threats by allowing or restricting connections based on specific criteria such as IP addresses, network ports, and application program paths. You can use the Windows Security app to view and manage the status of Windows Firewall. You can turn the ...

封鎖快顯視窗的 Microsoft Edge 功能可有效防止網站自動開啟新視窗或分頁，或在目前網頁上方開啟部分視窗。 此功能預設是開啟。 有許多不同類型的快顯視窗，包括廣告、通知、優惠或警示，可以出現在任何網頁上的各個時間。 有些可能很有用，例如當銀行網站在快顯視窗中顯示您的每月對帳單時 ...

深入了解各種 Xbox 強制處分的不同通知方式，以及可在何處取得其相關詳細資訊。