Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

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：

A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

Learn about the Unity Editor security vulnerability affecting some Microsoft games and apps on Android, Windows, Linux, and macOS.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

In order to use Authenticator on Android for your work or school account, push notifications for the app must be enabled and Google Play Services and the Google Play Store must be downloaded and enabled.

Learn how to set up Xbox Cloud Gaming on your Android phone or tablet. Includes steps for installing the Xbox app, using invite links, and streaming games with Game Pass Ultimate.

How to enable Single Sign-On on your Android mobile device? Download Link to Windows from Google Play Store or open Link to Windows if it is pre-installed on your device.

获取与管理你的 Xbox 订阅、帐单问题等有关的详细信息。

To install Authenticator on your Android device The Google Play Store isn't available in China, so Microsoft Authenticator can only be downloaded from the following stores: