Describes a Windows Defender update package for Windows Server 2019, Windows Server 2016, and Windows 10.

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

了解如何从“设置”、登录屏幕和黑屏或空白屏幕启动到 Windows 中的安全模式。

Learn how to manage background activity for apps to help save battery power in Windows.

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.

If you forgot your work or school password, never got a password from your organization, or have been locked out of your account, you can use your security info and your mobile device to reset your work or school password.

When your mic is turned on in a Teams meeting or call, background noise around you can distract others. Teams offers three levels of noise suppression to help keep meeting participants focused.

Microsoft Teams Web アプリは、Chrome、Firefox、Internet Explorer を含むほとんどのデスクトップ ブラウザーで動作します。

了解适用于 Windows 的“照片”应用如何让你查看电脑中的照片和视频以及 OneDrive 中的照片和视频，并按日期、相册或文件夹进行整理。