How to play MP4 files in Windows 10 - Microsoft Support
Play MP4 files in Windows 10 by right-clicking the file and choosing what application to open it with.
修复 Windows 中的蓝牙问题 - Microsoft 支持
了解如何排查 Windows 中的蓝牙问题。 解决连接蓝牙设备或配件时出现的问题。
Troubleshoot Windows Media Player Errors - Microsoft Support
Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.
更改或重置 PIN - Microsoft 支持
如果你忘记了 PIN 并需要重置它，可以从 Windows 登录屏幕进行重置。 查看 PIN 文本框下方： 如果看到 我忘记了 PIN ，请选择它，然后按照说明重置 PIN。 如果设备上有多个帐户，请选择需要重置的帐户。
更改电脑电源Windows模式 - Microsoft 支持
选择适合你的电源模式以及你想要在电脑上Windows 11操作。 这样，你可以确定哪些对你很重要 - 是要获得最佳电池使用时间、获得最佳性能还是在二者之间寻求平衡。
Windows Installer 4.5 is available - Microsoft Support
Describes the new and improved features of Microsoft Windows Installer 4.5. The article also discusses the issues that are addressed from earlier versions of Windows Installer.
Description of Microsoft System Information (Msinfo32.exe) Tool
Summary. Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.
Microsoft 日语输入法 - Microsoft 支持
本页可帮助你了解如何使用 Microsoft 日语输入法，包括输入法功能和键盘快捷方式。
Set screen time limits across devices - Microsoft Support
Learn how to manage and set device screen time limits on Windows, Xbox, and mobile devices connected through the Microsoft Family Safety app.
Applies To:
Microsoft Family Safety
Office Deployment Tool - Microsoft Support
Office Deployment Tool. If you’re an administrator, you can use the Office Deployment Tool to manage your Office 2016 Click-to-Run deployment options, such as installations sources, product and language combinations, or deployment configuration options.