Your Phone is now Microsoft Phone Link! Learn more about our recent name change for our PC and Android mobile apps.

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.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

System requirements and setup steps for the Phone Link app

Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.

We’re continually releasing updates to our application, based on customer feedback. Check out What's New in the latest updates for Skype on desktop and mobile.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.