Get troubleshooting advice and see a list of options available for starting Windows in diagnostic modes such as safe mode.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

If you don't want to use OneDrive, the easiest solution is to unlink it. Follow the steps in Turn off, disable, or uninstall OneDrive, for how to unlink, hide, and uninstall OneDrive from your PC.

Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.

Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.

KB5034441: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: January 9, 2024

Learn how to protect your PC, identity, and data from tech support scams.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

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

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.