Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.

Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.

Learn how to manage and set device screen time limits on Windows, Xbox, and mobile devices connected through the Microsoft Family Safety app.

获取有关 Windows 安全的帮助; 在 Microsoft Edge 中查看和删除浏览器历史记录; 删除和管理 Cookie; 重新安装 Windows 时安全移除有价值的内容

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。

Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.

Get help with Skype for Business. Skype for Business 2016 Training. Video: What is Skype for Business? Video: Download and install Skype for Business (video)

Some users prefer the Office web apps, others prefer the Office desktop apps. We've designed an experience where users get to tell us what they prefer, and then their links open in their preferred mode - either Office web apps or the Office desktop apps.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.