That's not my problem.I know my keys. When I press the button for entering the registration keys, nothing happens. So I'm not able to enter any registration key.
There are components of IE in that window. If you have restrictions on IE (some do), the it will fail. The options are:
-Set IE to its default settings
-Use the command line to activate (there is no such thing for a trial - you would need to have a purchased version for it to work):