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。

Descubra como corrigir problemas de som ou áudio no Windows. Problemas de hardware podem ser causados por drivers desatualizados ou defeituosos.

Learn how to open an encrypted email in Outlook, Outlook on the web, or read a protected message with a single-use code.

Select Settings and more next to your profile picture at the top of Teams to manage call settings in Microsoft Teams. You can block callers, forward calls, simultaneouly ring, and set your default calling app.

Learn how to download files from your OneDrive account to your mobile device.

You can use a self-running presentation to run unattended in a booth or kiosk at a trade show or convention, or you can save it as a video and send it to a client.

Find out how to use Game Bar to record your epic gaming moments.

Learn how to view, manage, and delete cookies in Microsoft Edge.

Learn how to get the latest Windows updates. Find answers to FAQ about updating Windows to keep your PC up to date.

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