Learn how to receive a refund or exchange for items purchased from Microsoft.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Find answers to common questions about genuine Windows software.

Learn how to identify a phishing scam, designed to steal money via fake emails.

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.

Some extensions change browser settings like your default search engine, new tab page, and other types of site data. To prevent extensions from changing the preferences you set up when you installed Microsoft Edge , the browser automatically turns off extensions that might change your preferred settings.. You can change settings for your extensions at any time.

Create a channel in Microsoft Teams by selecting Create channel from the menu next to the channel name.

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

Find out what steps you can take if an incompatible driver in preventing you from turning on the Memory integrity setting in Windows Security.

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。