Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or 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.

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

Learn how to find and change settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.

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

Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

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

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

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

了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。