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Play MP4 files in Windows 10 by right-clicking the file and choosing what application to open it with.

A Microsoft account is a personal account required for access to Microsoft’s products and services.

Learn how to use Image Creator in Paint to generate diverse and realistic images using a powerful AI model called DALL-E.

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Some users prefer the Office web apps, others prefer the Office desktop apps. We've designed an experience where users get to tell us what they prefer, and then their links open in their preferred mode - either Office web apps or the Office desktop apps.

Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.