Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.

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。

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Microsoft Edge 是 Microsoft 推荐的浏览器. 对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束。 Internet Explorer 11 已通过某些版本的 Microsoft Edge 更新永久禁用Windows 10。

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

Get started with news and interests, choose how weather looks on your taskbar, turn it on and off, personalize your feed and choose interests and followed publishers.

管理你的 Xbox 订阅 云游戏需要 Game Pass Ultimate 或受支持的免费游戏。 了解还能做些什么来充分使用订阅。

Get answers to all of your Microsoft Word questions. Find Word help, how-to articles, training videos, tutorials, and more.