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？

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？

You see the following error code and message when you launch a game or an app on your Xbox console: 0x803f8001

Learn how you can manage your online safety and privacy settings and how they affect personalized recommendations that you might see in the Microsoft Store.

Learn how to view and launch installed third-party games from your Xbox app library on PC and handheld devices.

Summary This out-of-band update includes fixes and improvements that are a part of the following update: October 14, 2025—KB5066836 (OS Build 14393.8519) The following is a summary of the issues that this out-of-band update addresses. The bold text within the brackets indicates the item or area of the change we are documenting. [Windows Server Update Services (WSUS)] Fixed: This update ...

Go to Settings > Apps > Installed apps or Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

The Xbox app on PC is the best place to find and play all your Xbox games as well as games installed from various third-party platforms. But you can also view and launch your favorite gaming related apps directly from the Xbox app on PC through the My Apps tab located within My Library.

Learn how Xbox recommendation systems work, their purpose, limitations, and settings for responsible use.

在 Android 设备上安装 Authenticator Google Play 商店在中国不可用，因此只能从以下商店下载Microsoft Authenticator： 联想 Oppo – 搜索要从 Oppo 存储区下载Microsoft Authenticator。 三星