需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。

Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.

Encuentre artículos de ayuda y procedimientos para sistemas operativos Windows. Obtenga soporte técnico para Windows y obtenga información sobre la instalación, las actualizaciones, la privacidad, la seguridad y mucho más.

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.

Get answers to common questions about Notepad. To open Notepad, select the Start button, enter Notepad, then select Notepad from the results. Here are answers to a few common questions about Notepad:

Contatta il Supporto tecnico Microsoft. Trova soluzioni a problemi comuni, oppure ottieni assistenza da un operatore del supporto.

兼容性设置. 描述. 在 兼容模式下运行此程序. 使用早期版本的 Windows 中的设置运行程序。 如果你确信此程序是为某个特定版本的 Windows 而设计（或与该版本共同使用），请尝试使用此设置。

Windows işletim sistemleri için yardım ve “Nasıl yapılır?” makalelerini bulun. Windows için destek alın ve yükleme, güncelleştirmeler, gizlilik, güvenlik ve daha fazlası hakkında bilgi edinin.

Ottieni assistenza e supporto per Microsoft Edge. Trova i contenuti di supporto Microsoft Edge, nonché articoli pratici, esercitazioni e altro ancora.

查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。