Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

开始之前. 在开始对设备的蓝牙进行故障排除之前，请先检查以下事项： 检查产品信息. 如果设置的是新设备，并且缺少蓝牙，请检查产品规格以确保其具有蓝牙功能。

Notes: Meeting recordings won't capture whiteboards, annotations, shared notes or content shared in the stage view by apps, and also won't include videos or animations embedded in PowerPoint Live presentations.

With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.

锁屏界面上的天气和其他内容 通过选择“ 天气”等 作为详细锁屏界面状态来增强锁屏界面。 这将动态天气、财务、体育和交通卡带到锁屏界面。 有关更多详细信息，只需点击或单击任何卡片，登录，然后在 Microsoft Edge 中查看完整详细信息。

Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.

Once you've allowed microphone access to your apps, you can change the settings for each app. In Microphone settings, go to Choose which Microsoft apps can access your microphone, and turn on apps you want to use with it.For desktop apps, make sure that Allow desktop apps to access your microphone is turned on.

If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin.. For info about restoring a SharePoint file or folder, see how to restore items from the SharePoint recycle bin.For info about restoring SharePoint files stored in OneDrive, see Restore a previous version of a file in OneDrive.