Note: Some cameras won't appear in the Camera settings page.These include infrared (IR) cameras used for Windows Hello Face authentication, cameras using DirectShow technology (like many apps provided by DSLR or action camera manufacturers so their devices can be used as webcams), and proprietary cameras that aren't managed by Windows—such as industrial cameras and many networked cameras.

Structured references make it easier to use formulas with Excel tables by replacing cell references, such as C2:C7, with predefined names for the items in a table.

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

How to use the LOOKUP function in Excel to search in a single row or column and find a value from the same position in a second row or column.

Contact groups, or distribution lists, are a fast way to send a message to multiple email recipients, especially groups you repeatedly contact.

Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

While setting up the Phone Link app, you'll be prompted to enable access to your phone's messages.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.