Get expert help, training, and support for your Microsoft PC accessories with easy access to resources and guidance.

Get end of support information for Windows XP and find out what you need to know to upgrade to Windows 10 or find a new PC.

Support for Internet Explorer 11 has ended on June 15, 2022. Make the switch to Microsoft Edge to experience the web in a whole new way.

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

本文介绍如何使用干净启动进程解决 Windows 8.1、Windows 8、Windows 7 或 Windows Vista 中的问题。

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

When you use Notepad in Windows, you can remove or change headers and footers. The default header and footer settings in Notepad are: Headers: &f

了解如何在電腦或 Mac 上安裝、重新安裝或啟用 Microsoft 365 或 Office 2019。

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