Fix sound or audio problems in Windows - Microsoft Support
Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).
Welcome to Copilot on Windows - Microsoft Support
Get started with Copilot. To get started, open the Copilot app from the Start menu or use the Copilot icon if present on your Windows taskbar. If your device keyboard includes a dedicated Copilot key, you can also use it to launch Copilot.
Use the System File Checker tool to repair missing or corrupted system ...
If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.
Open and run DxDiag.exe - Microsoft Support
Open and run DxDiag.exe. This tool is used to collect info about devices to help troubleshoot problems with DirectX sound and video. A support person might ask for this info, or you might post it in a forum when you ask for help. In Windows, select Start and enter dxdiag into the search box on the taskbar.
Troubleshoot issues with the Xbox app for Windows
Run the Gaming Services Repair Tool. You can use this tool from within the Xbox app or try the downloadable version. For more information on how to run this tool, visit: Gaming Services Repair Tool for PC.
Create installation media for Windows - Microsoft Support
You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.
Use voice typing to talk instead of type on your PC
How to start voice typing. To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically. Wait for the "Listening..." alert before you start speaking.
How do I connect my Xbox controller to PC? | Xbox Support
Many PC games let you play with an Xbox Wireless Controller instead of a keyboard or mouse. You can connect your controller to a Windows device by using a USB cable, the Xbox Wireless Adapter for Windows, or Bluetooth.
Microsoft 365 Customer Service and Support - Microsoft Support
Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home
如何在 Xbox 上使用 Microsoft Edge | Xbox Support
只需启动 Microsoft Edge 应用,即可随时了解你在 Internet 上最喜欢的网站、观看视频,甚至无需离开主机即可玩游戏。 主机上的 Edge 还支持使用 Xbox 控制器玩某些游戏、使用鼠标、专用浏览、从其他设备跨平台同步 Edge 以及使用密钥。