A feature in Windows 8.1 by which you can view and fix problems and run automated troubleshooters, among other things.
The process you must complete to verify that you have a valid copy of Windows 8.1, which includes a Product ID. You usually activate Windows 8.1 online the first time you turn on your computer or device, but there are other activation options. Activation is mandatory.
The window that is in the foreground and currently in use.
A reusable software component that performs a specific function or set of functions in the Windows operating system, in an app that runs on Windows, or in the Internet Explorer environment.
In Internet Explorer or any web browser, ...