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Learn how to sign in, sign out, lock, and switch user account in Windows.

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。

Learn more about updates for Windows 10, version 2004, including improvement and fixes, any known issues, and how to get the update.

Découvrez comment utiliser l’application Contrôle d’intégrité du PC pour améliorer les performances de votre appareil.

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.

Learn how to turn on HDR video streaming to watch high dynamic range (HDR) content on your Windows PC.

Muestra los códigos de error que puede notificar el Administrador de dispositivos y las posibles resoluciones en Windows.

Learn how you can use timeline to go back to something you were doing earlier, like working on a document or browsing a website, on any Windows 10 PC.

Use Windows accessibility features, such as Focus assist, to help improve focus on tasks and minimize distractions.