If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

To unblock your account, you'll need to reset your password. Enter the email address of the blocked account, then enter the characters you see on your screen and select Next. Enter the code generated by your authenticator app or select Use a different verification option to get a text message.

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 Hardware problems can be caused by outdated or malfunctioning drivers.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).

To find out which version of Windows your device is running, press the Windows logo key + R, type winver in the Open box, and then select OK. Here’s how to learn more: Select Start > Settings > System > About . Open About settings.

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.

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Select the Files or Shared tab in the meeting chat, channel, or meeting in calendar. Find and select the file. Select More options > Download . Only the meeting organizer can download the recording. To learn more about editing transcript permissions, see Edit or delete a meeting transcript in Microsoft Teams .

在頻道或群組聊天中與 Bot 聊天. Bot 可以參與頻道和群組聊天交談，例如提供重要的更新或協助團隊組織工作。 一般說來，您或其他人@mentions Bot 與其互動，但有些 Bot 可以在交談中扮演更主動的角色。 這些 Bot 會在沒有@mention的情況下接收訊息並回復。

Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu. Was this information helpful?

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