Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Le temps nécessaire au téléchargement et à l’installation d’une mise à jour dépend de la vitesse de connexion, des paramètres réseau et de la taille de la mise à jour. Si l’installation reste bloquée au même pourcentage, essayez de vérifier à nouveau les mises à jour ou d’exécuter le Utilitaire de résolution des problèmes de Windows Update.

If you are using a Surface Pro tablet, you can install Office and email as you would on a desktop computer! See Install Office on your PC or Mac.

Note: Cross-device syncing of Microsoft Entra user activity history will stop starting in January 2024.Microsoft will stop storing this data in the cloud, aligning with the previous change for Microsoft accounts (MSA) in 2021. The timeline user experience was retired in Windows 11, although it remains in Windows 10.

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。

To reset the Hosts file back to the default, follow these steps: 1. Open Notepad. To do this, search for “Notepad” using Cortana, and then tap or click the Notepad icon.. 2. Copy the following text, and then paste the text into the file:

* Microsoft 365, Surface Pen, and some software and accessories sold separately. [1] Surface Book 2 battery life: Surface Book 2 13.5”: Up to 17 hours of video playback. Testing conducted by Microsoft in October 2017 using preproduction Intel® Core™ i5, 256GB, 8 GB RAM device.

Bộ phận hỗ trợ của Microsoft sẵn sàng trợ giúp bạn về các sản phẩm của Microsoft. Tìm bài viết hướng dẫn, video và nội dung đào tạo về Microsoft Copilot, Microsoft 365, Windows, Surface, v.v.

Obtén información sobre cómo puedes usar la aplicación gratuita Microsoft Authenticator para iniciar sesión en todas tus cuentas sin usar una contraseña.