Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

Découvrez comment réinstaller Windows sur votre PC et comment l’activation fonctionne après son installation.

Microsoft made a commitment to provide 10 years of product support for Windows 7 when it was released on October 22, 2009. This 10-year period has now ended, and Microsoft has discontinued Windows 7 support so that we can focus our investment on supporting newer technologies and great new experiences.

This page provides phone numbers of Microsoft customer service.

Sharing your notes is easy in OneNote for Windows 10. You can invite others to view a specific page or an entire notebook, and you can select whether notebook participants can only view or fully edit your notes.

了解如何查找电脑正在运行的 Windows 操作系统版本和设备规格。

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When you sign into the Xbox PC app, the Microsoft account associated with your Xbox profile will be used in the Xbox app for access to Xbox Game Pass and all other purchases, including rights to purchased games.

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。

OneDrive for Business provides one place to store, share and sync your work or school files.