Equation Editor (Microsoft Equation 3.0) was included in earlier versions of Word, but was removed from all versions in the January 2018 Public Update (PU) and replaced with a new equation editor.

以下是查找 Windows 帮助的多种不同方法: 搜索帮助 - 在任务栏上的搜索框中输入问题或关键字，以查找应用、文件和设置并从 Web 获取帮助。

了解 Windows 中的智能充电如何帮助电池持续更长时间。

Windows 10, version 21H2 update history; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651) June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)

它是否适用于我的设备？ BitLocker 加密适用于运行 Windows 10 或 11 专业版、企业版或教育版的受支持设备。 在运行 Windows 10 或更高版本的受支持设备上，首次登录个人 Microsoft 帐户（如 @outlook.com 或 @hotmail.com）或工作或学校帐户时，系统将会自动打开 BitLocker。

If your Xbox One or Xbox Series X|S console is having network connection issues of any kind, we’ll point you to the best solution for the specific type of connection issue you’re experiencing.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

断开设备与 Microsoft Store 的链接. 如果无法从 Microsoft Store 中下载内容，则你可能已达到了设备限制。 通过删除不使用的设备或者不再有权访问的设备来管理你的限制。

Get support for Microsoft apps and services. Get more with Copilot Pro Gain priority access to GPT during peak times for accelerated performance to generate answers, content, and AI images even faster.

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。