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Learn how to get the latest Windows updates. Find answers to FAQ about updating Windows to keep your PC up to date.

Summary. This article helps you reset the Hosts file back to the default. What's the Hosts file. The Hosts file is used by the operating system to map human-friendly hostnames to numerical Internet Protocol (IP) addresses which identify and locate a host in an IP network.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Power Pivot is a data modeling technology that lets you create data models, establish relationships, and create calculations. With Power Pivot you can work with large data sets, build extensive relationships, and create complex (or simple) calculations, all in a high-performance environment, and all within the familiar experience of Excel.

Learn how to view, manage, and delete cookies in Microsoft Edge.

Learn where to find the console ID, device ID, and serial number on your Xbox console.

Help for Microsoft mobile apps on Android and iOS devices. Find how-to articles and video tutorials for Samsung Galaxy and iPhone. Learn how to link your Microsoft 365 mobile apps, including Outlook, OneNote, and Your Phone.

Encuentre artículos de ayuda y procedimientos para sistemas operativos Windows. Obtenga soporte técnico para Windows y obtenga información sobre la instalación, las actualizaciones, la privacidad, la seguridad y mucho más.