Procedure to activate Windows 8.1 with a Windows 8.1 serial key Having gone through the above exciting new features, one would want to upgrade to Windows 8.1 OS for which an activation with a Windows 8.1 product key is necessary. Major technology upgrade via integration support for 3D printing and Resilient File System.The extensive and wide search algorithm for system tasks.Better Integration with Microsoft SkyDrive.Stable and better version of Microsoft Edge.Upgrade to Music and Video app interface.Re-introduction of taskbar along with the iconic Start button.
