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

Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.

Learn how to restore files that have been permanently deleted and are no longer in the recycle bin on Windows 10.

This article has been retired. For information about this Windows Recovery Environment (WinRE) update, see KB5042322.

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

Learn how to back up apps, settings, files, photos, and Microsoft Edge favorites and preferences on your Windows PC.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.