Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Device encryption helps protect your data and it's available on a wide range of Windows devices.

Create a system restore point. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

In Sound settings, go to Input to see your connected microphones. If it's a Bluetooth microphone, select Add device.

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Experience the web in a whole new way by switching to the Microsoft Edge browser from Internet Explorer or Microsoft Edge Legacy. Move to Microsoft Edge

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.

Remove a manual page break. Go to Home and select Show/Hide .. This displays page breaks while you’re working on your document.