Learn how to download files or folders in OneDrive and OneDrive for Business.

Aprende a acceder y administrar las opciones de inicio de sesión de Windows. Usa una contraseña, Windows Hello o una clave de seguridad para desbloquear el dispositivo.

An issue occurs in the Windows Filtering Platform (WFP) driver. This issue leads to high system CPU usage. It also reduces throughput under a heavy load. This update boosts network packet processing in WFP. This helps to stop performance from degrading. This update also adds batch processing to reduce CPU load.

我的产品密钥不起作用. 如果 Office 产品密钥不起作用，或已停止工作，应与卖家联系，申请退款。 如果产品密钥是独立于软件购买的，则很可能是被盗的产品密钥，或者是以欺骗方式获得随后阻止使用的产品密钥。

Obtenga información sobre cómo solucionar errores de Reproductor de Windows Media. Explore recursos para obtener ayuda general con Reproductor de Windows Media.

Aprende a usar Recortes para realizar una captura de pantalla o recortar cualquier objeto de la pantalla y, a continuación, anotar, guardar o compartir la imagen.

Training: With Microsoft Access, you don't have to be a developer to create a database to help your team work more efficiently. Watch this online video to see how.

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.

Explains how to sync your Google, Yahoo, iCloud, and IMAP mail, contacts, and calendar to the Microsoft Cloud.

Learn about Teams, SharePoint and OneDrive, and what to use when, for team collaboration and file storage.