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Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Find out how to change your capture settings on Windows 10/11 devices.

Restrictions Invalid characters. Applies to: Certain characters have special meanings when used in file names in OneDrive, SharePoint, Windows and macOS, such as "*" for wildcards, and "\" in file name paths.

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11，您可能需要授予应用使用它的权限。

Find out what steps you can take if an incompatible driver in preventing you from turning on the Memory integrity setting in Windows Security.

Learn how to set up a connection to a proxy server on your Windows PC.

Training: Learn how to create a spreadsheet, enter data, and create a chart in Excel.

Microsoft Teams offers different ways to access, receive, and manage notifications. These settings include how, when, and where your notifications appear, custom settings for channels and chat, appearance and sounds, turning off specific messages, and so on.