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.

Bots can contribute to channel and group chat conversations, such as providing important updates or helping a team organize its work. Typically, you or someone else @mentions a bot to interact with it, but some bots can play a more proactive role in conversations.

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.

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.

For Windows 8.1, see Create a USB recovery drive. To download Windows 11 installation media, see Recovery options in Windows. Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.

To switch voice typing languages, you'll need to change the input language you use. Here's how: Select the language switcher in the corner of your taskbar. Press the language switcher in the bottom right of the touch keyboard.

Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update. The latest Windows update is Windows 11, version 23H2, also known as the Windows 11 2023 Update.

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 .

Contact Microsoft Support. What's new. Surface Pro. Surface Laptop. Surface Laptop Studio 2. Surface Laptop Go 3. Microsoft Copilot. AI in Windows. Explore Microsoft products.

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。