Erfahren Sie, wie Sie Windows auf Ihrem PC neu installieren und wie die Aktivierung nach der Installation funktioniert.

Resolve Windows blue screen errors with tips and resources to do your own troubleshooting, or contact the Microsoft support if you need more help.

Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

If your Surface touchscreen doesn’t work, try these steps first. To try to resolve these issues, you can begin by following the steps below to boot to UEFI and test touch functionality, reinstall the touchscreen driver, check for Windows and Surface updates, or reset Surface.. If that doesn't resolve the issues, you can find more info in Is your touchscreen still not working?.

Get answers to all of your Microsoft Word questions. Find Word help, how-to articles, training videos, tutorials, and more.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Add page numbers to an existing header or footer in Word. Use the Tab key to position the page number left, center, or right. If the number is flush left, press Tab once for center, and twice for right.

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

Master the art of Excel formulas with our comprehensive guide. Learn how to perform calculations, manipulate cell contents, and test conditions with ease.