培训：PowerPoint 演示者视图显示当前幻灯片、下一张幻灯片和演讲者备注，以帮助你在演示和与受众联系时集中注意力。 观看本视频了解如何操作。

重要: 在尝试以下任意解决方案之前，请确保先备份你的个人文件。 你可以备份 Windows 电脑，或者插入 U 盘并使用文件资源管理器将重要文件拖动和复制到 U 盘。 如果你是使用 Microsoft 帐户登录到 Windows，系统设置将在连接到 Internet 后立即更新，然后自动还原。

Training: Learn how to create a shareable link to make it easy to share files in a document, email, or IM.

Introducing Microsoft Phone Link Our evolution of the former Your Phone app brings a new name to the user experience. With the new Phone Link on your Windows PC and the new Link to Windows app on your Android device, accessing your mobile apps and content has never been easier!

如果遇到无线连接断开，可以尝试更改手机上的某些高级设置（如果适用）。这些设置通常可以在 Android 设备上的“连接” > “Wi-Fi”找到（实际设置路径可能有所不同）。如果转到网络设置的“高级”部分，然后将以下设置切换到“关”位置，则可能提高网络连接的可靠性。

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).

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

You can paste the photo into an Office document, an email message, or on your PC's desktop. Learn more about copying and pasting content between your devices (for Surface Duo and select Samsung devices). What are photo notifications? You can get instant access to your most recent photos or screenshots from your linked Android device by engaging with the incoming new photo notifications on your PC.

需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。

Activate by using the telephone You can telephone an Activation Center using the numbers for your specific country/region listed in this article to activate your product with the help of a customer service representative.. Telephone activation might take longer than activation through the Internet. You should be at your computer when you call, and you should have your software Product Key ...