Screen mirroring and projecting to your PC or wireless display
Note: The Wireless Display app is available on devices running Windows 11, version 22H2 and later.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?
Reactivating Windows after a hardware change - Microsoft Support
In Windows 11, it is essential that you link your Microsoft account with the Windows 11 digital license on your device. Linking your Microsoft account with your digital license allows you to reactivate Windows using the Activation troubleshooter whenever you make a significant hardware change.
Hide, unhide, mute, add a chat to Favorites, or mark a chat as unread ...
Unhide a chat. Unhide a chat that you've hidden before by using search. In the Search box at the top of Teams, type the name of the person you were chatting with and select it from the list of returned names. You'll see that the chat history is hidden and the name appears in italic text to mark it as hidden.
Applies To:
Microsoft Teams, Microsoft Teams for Education, Microsoft Teams small business
Link your social network accounts to Xbox | Xbox Support
Stay connected to friends across your social networks while gaming on a Windows device. Link your favorites such as Discord, Reddit, Steam, Twitch, and more.
NAT type on Windows displays "Teredo is unable to qualify"
Select the Windows logo key on your device or keyboard, or you can select the Windows key in the lower-left corner of the main screen.; Select Settings > Network & internet > Advanced network settings > Network reset > Reset now.
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Codecs in Media Player - Microsoft Support
Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.
Copilot for Social Apps - Microsoft Support
You can communicate with Copilot on Telegram in several ways: Scan the QR code below using your mobile device's camera: Use this to start chatting with Copilot instantly on Telegram. Alternatively, you search for Copilot directly on Telegram from the search icon on the top right of the homepage:
Check or change language settings - Microsoft Support
Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.
Applies To:
Outlook.com, Microsoft Edge, OneDrive (home or personal)
修复麦克风问题 - Microsoft 支持
如果麦克风功能出现问题,则以下信息可以帮助你排除故障和解决问题。