Answer
If you have downloaded the free trial and you are being prompted enter licence details, it is likely you have already used the trial previously on the same computer.
The trial lasts for 31 days from the first time you run the trial version.
If your trial has expired, see Can I Get a Refund or Is There a Money-Back Guarantee? for our refund policy, or purchase a subscription to keep using the program.
However, if you are certain you have never used the trial before but it is still asking you to enter details, please contact our support team.