Windows 10, version 1909 and Windows Server, version 1909 update history; End of service statement; May 10, 2022—KB5013945 (OS Build 18363.2274)

大多数 (和其他程序（如为早期版本的 Windows 创建的游戏或实用工具) ）在最新版本的Windows 10和Windows 11中都可用，但某些较旧的应用可能运行不佳或根本不运行。

More information Consider the severity of the issue. Before reverting to an earlier version of an Office installation, weigh the severity of the issue that you're experiencing against the benefits of having the security, performance, and reliability improvements that are included in the latest update.

Learn how to protect your Windows devices and personal data from viruses, malware, or malicious attacks.

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

Узнайте, как найти ключ продукта Windows для активации и использовать цифровую лицензию.

Learn which languages are supported in Narrator in Windows and how to adjust your Narrator Settings.

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows、Surface 等操作方法的文章、视频和培训。

Office クリップボードでは、Office ドキュメントやその他のプログラムから最大 24 個のアイテムをコピーして、別の Office ドキュメントに貼り付けることができます。

Learn how to uninstall Office from a PC using the Control Panel or with the uninstall support tool.