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.

Collections in Microsoft Edge helps you keep track of your ideas on the web, whether you're shopping, planning a trip, collecting notes for research or lesson plans, or just want to pick up where you left off the last time you were browsing the internet.

了解如果你无法购买 Xbox 订阅，该怎么做。

Use the OneDrive mobile app to backup your phone's camera roll to Microsoft OneDrive. Note that it does not sync photos - it's a one-time upload. This means that once OneDrive has your camera roll, you can delete photos and videos from your device, freeing up valuable space, and the copies in OneDrive won't be affected.

不能将 Microsoft 或 Xbox 礼品卡用于在 Xbox One 上购买 Xbox 360 Marketplace 中的内容或 Xbox 360 内容。 购买 Microsoft 或 Xbox 礼品卡时，确保使用的货币与接收人的帐单帐户相关联的货币相匹配。

长按 Xbox 按钮 ，然后选择“报告问题”以启动“报告问题”应用。; 选择“使用高级诊断重现”。 阅读有关媒体跟踪的详细信息。 准备就绪后，选择“开始跟踪”。 在“如何使用跟踪重现”说明页面上，选择“继续”。 “报告问题”将在后台暂停运行。 重现音频或视频所遇到的问题。

在家：将你的主要 Xbox（如果有多个）设为常用 Xbox，这会让使用其档案登录该主机的任何人都能够使用你的 Game Pass 订阅。

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

With the Phone Link, you can instantly access the Android apps installed on your mobile device right on your PC. Using a Wi-Fi connection, Apps allows you to browse, play, order, chat, and more — all while using your PC’s larger screen and keyboard.

Tip: If you encounter a problem on your Windows device, pressing the Windows logo key + F takes a screenshot, then opens the Feedback Hub app and automatically uploads the screenshot to the Feedback tab. Follow the on-screen instructions to detail the problem you've encountered.