Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Find out how to fix sound or audio problems in Windows.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

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

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.

Hotmail está ahora Outlook.com. Aprenda a iniciar sesión para acceder a su cuenta de correo electrónico de Outlook.com, Hotmail, Live o MSN.

Find out how to boot into safe mode in Windows from Settings, the sign-in screen, and a black or blank screen.