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

Learn how to use the PC Health Check app to help you improve your device performance.

Teams in Microsoft Teams are collections of people, content, and tools surrounding different projects and jobs.

Stay connected to your friends across social networks while gaming on Windows 10/11.

How to use Stream's Transcripts and Captions features with video in OneDrive and SharePoint.

Click New chat to start a one-on-one chat and send messages in Microsoft Teams. To start a group chat, just add people to the conversation.

本页可帮助你了解如何使用 Microsoft 繁体中文输入法，包括输入法功能和键盘快捷方式。

Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.

Contacts can be exchanged between Outlook and Google Gmail to save time and avoid manually re-entering your contacts.

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