Learn how to manage the online safety and privacy settings on the XBOX console for you and every member of your family group.

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5074109), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

了解如何查找用于激活的 Windows 产品密钥，以及何时改用数字许可证。

Find everything you need to know about Gears of War, including gameplay specs, troubleshooting tips, and answers to frequently asked questions.

This out-of-band update for Windows 11, version 25H2 and 24H2 (KB5086672) is cumulative and includes updates from previous security and non-security releases. This update includes the improvements and features that were introduced in the March 26, 2026 non-security preview update (KB5079391), along with a fix for an installation issue that affected some devices attempting to install that ...

Windows 11 Windows 10 Windows 更新是Windows 11的重要组件，可确保系统保持安全、稳定且具有最新功能。 但是，偶尔可能会出现问题，从而阻止安装更新。 本指南提供了有效排查和解决Windows 更新问题的详细步骤。 运行 Windows 更新疑难解答程序 如果使用Windows 11设备，请首先在“获取帮助”应用中运行自动 ...

Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.

Bluetooth keeps disconnecting in Windows Windows 11 Windows 10 If your Bluetooth connection frequently drops or requires constant re-pairing, it can interrupt audio playback, file transfers, or peripheral use. This issue is often caused by power-saving settings, outdated drivers, or temporary system glitches. Try the following troubleshooting steps to resolve the issue: Solution 1: Run the ...

Windows 上的 Microsoft Store 有数千个应用和游戏，其中许多应用和游戏可以免费下载和畅玩。 当从 Microsoft Store 安装应用时，该应用将同步到你的任何设备上。 应用还将自动进行更新，以便你始终拥有最新功能。 下面介绍了如何下载应用和游戏，以便你可以立即开始使用。

注意 Microsoft Authenticator 不 适用于电脑或 Mac，因为出于安全原因，验证器应用是专为智能手机设计的。 了解详细信息。 Microsoft 不再支持超过一年的 Authenticator 版本。 始终使设备保持最新。 中国用户应阅读 如何在中国下载和使用 Microsoft Authenticator。