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

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

Get steps for how to select display language preferences in Windows.

Learn how to use auto color management in Windows 11 to get accurate colors on your PC.

Introduction. This support page provides a central location with information about the Media Feature Pack for Windows N releases. Use this page to find the correct link for your Windows release version to Microsoft Knowledge Base articles about Media Feature Pack.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Learn how you can manage cookies and site data you've temporarily allowed in Microsoft Edge.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Find a rundown of new and updated features and functionality that’s been added to Xbox consoles in the latest system updates.

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。