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

Learn how to troubleshoot problems updating Windows. Find answers to common questions and issues installing Windows updates.

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

Hotmail ist jetzt Outlook.com. Erfahren Sie, wie Sie sich anmelden, um auf Ihr Outlook.com-, Hotmail-, Live- oder MSN-E-Mail-Konto zuzugreifen.

How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

How to open the Camera app in Windows. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened.. Open Camera

Learn how to concatenate text strings in Excel using the CONCATENATE function. Our step-by-step guide makes it easy to join two or more text strings into one.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.