Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

Need help with an Xbox console, an Xbox game or Xbox network? Find out how to get in touch with us.

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

Microsoft Edge 是 Microsoft 推荐的浏览器. 对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束。 如果访问的任何网站需要 Internet Explorer 11，则可以在 Microsoft Edge 中使用 Internet Explorer 模式重新加载它。

了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

With Microsoft Power Automate, you can create a flow for Microsoft Forms that performs one or more tasks automatically after it's triggered by an event.. In the following scenario, you're putting together an event, but need to gauge who plans to join online versus attend in person. You can create a survey, then use Power Automate to automatically send online meeting invitations for people who ...

如果最近安装了 Windows 更新并且遇到问题，下面介绍如何卸载更新以尝试解决问题： 选择“开始” 按钮，然后选择“设置 >更新&安全 > Windows 更新> 查看更新历史记录 >卸载更新。 查看更新历史记录设置

Updated Files On-Demand settings on Windows.We are updating the OneDrive sync app advanced settings for Files On-Demand for users who have the feature enabled.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。