Retake Powerprep 1

Hi.

Does anyone know if we can retake the free Powerprep tests (1 and 2). If yes, then how?
Because I bought the PP1 again and whenever I am trying to open it, it shows the following message…

Thanks

https://www.reddit.com/r/GRE/comments/ie6m5h/a_duplicate_test_launch_has_been_detected_on/