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How to open the Camera app in Windows. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened.. Open Camera

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Alternate command key. What it does. Help. Opens the Help system (if any) for the active window. Undo. Cancels the previous action. Redo. Cancels the previous Undo action.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

MSN provides you with three quick ways to navigate through MSN to easily find what you need: The Mega menu located at the top left side of the page, brings you every section in just one easy step.

Press the Xbox button on your controller to open the guide, and then go to Profile & system > Settings > Account > Subscriptions.; Select the subscription that you want to manage.

Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

Experience the web in a whole new way by switching to the Microsoft Edge browser from Internet Explorer or Microsoft Edge Legacy.

Download Windows Media Player. Get Windows Media Player for your version of Windows, or learn how to play Windows Media files on your Mac. Get the details here.