Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:

创建适用于 Windows 的安装介质. Windows 10 Windows 8.1 Windows 7. 你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。. 要创建安装介质，请转到 软件下载网站 ，你可以在这里找到分步说明。. 在该网站上，你可以选择 Windows 版本 ...

Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near ...

Here’s how: Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories. Check in Settings: Select Start > Settings ...

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

VLOOKUP 第一个参数是要查找的值。. 此参数可以是单元格引用，也可以是固定值，例如“smith”或 21,000。. 第二个参数是单元格搜索范围 C2-:E7，VLOOKUP 在其中搜索要查找的值。. 第三个参数是单元格范围内包含所查找值的列。. 第四个参数可选。. 输入 True 或 False ...

单击“注册”。输入您的邮件地址和密码，然后单击“确定”。如果您在使用 Hotmail、Messenger 或 Xbox Live，则您已经拥有 Microsoft 帐户。 如果您没有帐户，则单击“注册”创建一个新的 Microsoft 帐户。 在 OneDrive 中选择一个文件夹，然后单击“另存为”。键入文件的名称，然后单击“保存”。

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

你可以选择桌面背景并随时更改它。. 选择 “开始 > 设置” > “个性化 > 背景 ”。. 在 “个性化设置背景 ”旁边的列表中，选择“ 图片 ”、“ 纯色 ”、“ 幻灯片放映 ”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。. 注意: 如果无法选择 “Windows 聚焦 ...

如果使用 Outlook ) ，请选择“ 文件 > 帐户 (或 Office 帐户 ”。. 如果尚未登录，单击“ 登录 ”。. 在“登录”窗口，键入用于 Office 的电子邮件地址和密码。. 可以是与 Office 关联的个人 Microsoft 帐户，也可以是与工作或学校帐户配合使用的用户名和密码。. 提示 ...