Obtenga información sobre cómo instalar, reinstalar o activar Microsoft 365 u Office 2019 en un equipo PC o Mac.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

了解如何在电脑上重新安装 Windows，以及安装 Windows 后激活的工作原理。

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

How to stop website notifications in Microsoft Edge. You can remove or block notifications for individual websites in the following ways: Remove or block notifications in Edge settings

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

An overview of location permissions and your privacy in the Microsoft Edge web browser.