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.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

You can link your social media account in one of two ways: Use the Xbox mobile app to scan the QR code. Select the Link option which will launch the Microsoft Edge app on Xbox. You can choose to link your Discord, Reddit, Steam, Twitch, or other social media account.

After you've invited people to your meeting, you can add up to 10 co-organizers to help manage your meeting. Co-organizers are displayed as additional organizers in the meeting participant list and have most of the capabilities of the meeting organizer.

使用 Microsoft 帳戶，您和家庭成員就可以建立 Xbox 設定檔，以玩遊戲和使用 Xbox 服務。. 如果他們還沒有 Microsoft 帳戶，您可以建立一個帳戶，然後使用下一組步驟將之新增到您的家庭群組。. 使用召集人的 Microsoft 帳戶登入應用程式，然後選取 [繼續]。. 選取 ...

好友列表显示你的 Xbox 好友的当前动态，并允许你与他们进行互动。. 直接跳转进入文本聊天或群聊天（一对一或在组中），加入好友的电脑游戏或邀请他们加入你的游戏，并查找要关注的人。. 查找好友：. 按 Windows 徽标键 + G 打开 Game Bar。. 选择 小组件菜单 ...

根據預設，您的小組是 [私人] 小組，這表示您必須主動新增您要加入小組的人員或群組。. 如果您要讓組織內的任何人都能尋找並加入這個小組，則選取 [公開]。. 新增成員。. 您可以新增人員、群組，或甚至是整個連絡人群組。. 如果您需要新增組織外部的人員 ...

在 Lync 中，群組是您建立的連絡人集合，讓您可以快速在顯示中查看多位連絡人，或同時與他們進行通訊。 您決定您需要的群組以及群組的成員。