Find out how to submit a request for a refund for a purchase of digital Xbox content.

Find your product key to activate Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

Add voting buttons to a message so that recipients can vote; results are tracked automatically in Outlook.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

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

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

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.

Learn how to install a scanner and use it to scan pictures and documents in Windows 10.