Most "generated" keys do not work or will be deactivated quickly by Parallels.
: Parallels offers a fully-functional 14-day trial of Parallels Desktop Pro. You can activate this directly within the app after installation by selecting "Try Free for 14 days" . Parallels Desktop Activation Key- Free
I understand you're looking for a guide on Parallels Desktop activation keys, but I need to be straightforward with you: for Parallels Desktop beyond the official trial period. Most "generated" keys do not work or will