Parallels Desktop Accidentally upgraded without activation key
Yesterday evening, I was trying to open Skype and my click tried to open Skype windows 10 version on parallels and parallels while launching, got upgraded. Now its asking activation key, which I dont have.
1) How to get around this?(I was able to get the parallels serial number from the terminal)
2) Is there any way to go back to the previous safe point of my macbook(no active time machine on my macbook enaled).
What are my options?
Thanks in advance