Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

Learn how to troubleshoot and fix problems with nearby sharing in Windows.

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.

Learn how you can manage cookies and site data you've temporarily allowed in Microsoft Edge.

Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

Obtenga información sobre cómo activar Windows con una clave de producto o una licencia digital, comprobar el estado de activación y vincular su cuenta de Microsoft.

Aprende a conectar un dispositivo Bluetooth en Windows y ajustar la configuración de emparejamiento de Bluetooth.