System requirements and setup steps for the Phone Link app

Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

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

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

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

Probieren Sie diese Lösungen aus, wenn Sie sich nicht bei Ihrem Outlook.com-, Hotmail-, Live- oder MSN-E-Mail-Konto anmelden können oder nicht sicher sind, wie Sie sich an- oder abmelden.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

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

Learn how to use keyboard shortcuts in Word to add accent marks, special characters, symbols, and more.

Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。