Learn how to install Skype for Business on your Windows computer, mobile device, or Macintosh.

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Learn how to connect Windows Search with your accounts in the cloud, manage your Windows Search and SafeSearch settings, clear search history, and more.

Find answers to common questions about genuine Windows software.

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)

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

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.

了解如何更改 Windows 中显示器的刷新率，以确定在屏幕上显示运动的平滑程度。

Learn which languages are supported in Narrator in Windows and how to adjust your Narrator Settings.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.