System requirements and setup steps for the Phone Link app

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.

Subscribed. A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.. Don't already have Microsoft 365, or you're looking for product details and prices? Buy or try Microsoft 365

Learn how to reinstall Windows on your PC and how activation works after it's installed.

You can choose which apps will start automatically when you start your device.

Learn about what effect closing a Microsoft account might have on your other apps and services.

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

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