A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.

Note: To upgrade to Windows 11, devices should meet the Windows 11 minimum system requirements.Some Windows 10 features aren't available in Windows 11. System requirements to experience some Windows 11 features and apps will exceed the Windows 11 minimum system requirements.Find Windows 11 specs, features, and computer requirements

执行这些步骤可确保在电脑上成功安装手机连接 。 从Microsoft帐户开始，在电脑设置期间或在 手机连接 配对期间链接你的手机 在电脑设置期间： 在电脑设置期间连接手机时，设置电脑时使用的 Microsoft 帐户将用于在配对过程中登录到连接的手机。

注意: 如果是通过以下任一方式获取的 Microsoft 365：Microsoft 工作区折扣计划(以前称为家用许可计划)，则安装 2019、2016 或 2013 版的 Office 专业增强版、Office 标准版或独立应用（如 Word 或 Project）的步骤可能会有所不同：如果你通过公司购买了 Microsoft 365 供个人使用，请参阅通过工作场所折扣计划安装 ...

有关安全漏洞的详细信息，请参阅安全更新指南网站和 2024 年 9 月安全汇报。 Windows 11服务堆栈更新 (KB5043937) - 22621.4166 和 22631.4166 此更新对服务堆栈进行了质量改进，服务堆栈是安装 Windows 更新的组件。 服务堆栈更新 (SSU) 可确保你拥有 ...

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue.

Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.

Info for Windows Insiders. If you’re an Insider and the current preview build isn’t working for you, select Start > Settings > System > Recovery .Next to Go back , select Go back.This won’t remove your personal files, but it’ll remove recently installed apps and drivers, and change settings back to their defaults.

In the upper left corner of the window, select the app launcher > SharePoint Tip: If you don't see the SharePoint app after selecting the app launcher, you can find it by either selecting More apps, or using the Search box near the top of the window to search for SharePoint.