Use Remote Desktop on your Windows, Android, or iOS device to connect to a Windows 10 PC from afar. Here's how to set up your PC to allow remote connections and then connect to the PC you set up.

Open the Camera in Windows. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened.

You and your colleagues can open and work on the same Excel workbook. This is called co-authoring. When you co-author, you can see each other's changes quickly—in a matter of seconds. And with certain versions of Excel, you'll see other people's selections in different colors.

TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection and BitLocker for data protection. In some cases, PCs that are capable of running TPM 2.0 are not set up to do so. If you are considering upgrading to Windows 11, check to ensure TPM 2.0 is enabled on your device.

Surface 维修前的准备工作. Surface 保修：常见问题解答. 维修后设置 Surface. 现场支持的服务中心. 了解 Microsoft Surface 的维修流程，以及当 Surface 需要维修时如何在线提出维修请求。.

请从各种 Surface 设备和配件中选择以获得帮助。