We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Probieren Sie diese Lösungen aus, wenn Sie sich nicht bei Ihrem Outlook.com-, Hotmail-, Live- oder MSN-E-Mail-Konto anmelden können oder nicht sicher sind, wie Sie sich an- oder abmelden.

Discover how to use Microsoft Phone Link to connect your Android or iPhone to your PC for seamless access to notifications, calls, and apps.

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

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.

Learn how to manage background activity for apps to help save battery power in Windows.

Find out how to change privacy settings for your camera and microphone in Windows.

Find the information you need to import to or exporting from Outlook, whether you're using Office 365, Outlook 2016, or a Mac.