如何兑换礼品卡、Xbox 下载代码或令牌. Microsoft 和 Xbox 礼品卡以及下载代码和令牌的工作方式相同：兑换到 Microsoft 帐户后，可以在 Windows 或 Xbox 上将余额用于Microsoft Store 在线商店，并且可以获取最新应用、游戏、电影、电视节目以及 Surface、Xbox 和配件的下载。

在 Windows 8.1 或 Windows RT 8.1 中查找操作系统信息. 要查找设备运行的 Windows 版本，请按 Windows 徽标键 键 + R，并在“打开”框中键入“winver”，然后选择“确定”。. 如果你的设备运行的是 Windows 8.1 或 Windows RT 8.1，那么有关详细信息，可以参阅以下内容：

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).

Set up slide transitions. If you want a slide show to run automatically at a kiosk, you can control when and how the slides advance. To do this, you can apply the same transition to all slides in the presentation and set the transition to automatically advance after a certain time interval.

Note: Before selecting New, consider selecting the check box for "Prompt a profile to be used."If this is enabled, you will get a prompt every time you start Outlook to pick which profile you want to open. This is helpful when you have multiple profiles and need to switch between them.

To change your capture settings, press the Start button , and then select Settings > Gaming > Captures.The following sections cover the capture settings you can adjust.

After you upload photos , OneDrive helps you organize and find them. You can browse your memories fast with our new customizable Gallery, or find a photo based on where it was taken, what is in the photo, and whether it is a video, screenshot, document, and more!

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

Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

With Power Query (known as Get & Transform in Excel), you can import or connect to external data, and then shape that data, for example remove a column, change a data type, or merge tables, in ways that meet your needs. Then, you can load your query into Excel to create charts and reports.