Learn how to change or reset your Windows password if you've forgotten or lost it.

Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.

了解如何安装 Windows 11，包括在“设置”中访问 Windows 更新页的建议选项。

Use Microsoft Teams (work or school) for a Microsoft work or school account or a guest account in Windows 11. Also, find out which version of Teams you’re using.

Learn how to find your Windows product key for activation or when to use a digital license instead.

How to use conditional formatting in Excel to visually explore, analyze, and identify patterns and trends.