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

Hotmail est maintenant Outlook.com. Découvrez comment vous connecter pour accéder à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN.

Learn how to install Office 2013 on your PC or Office for Mac 2011.

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by:

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 add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.