Hello @dobitnow,
You can transfer the device from the trial license to the subscription:
https://www.bitdefender.com/consumer/support/answer/34264/
Let us know if it worked
https://community.bitdefender.com/en/discussion/comment/352124#Comment_352124
I can help you with a trial-and-error approach, but I need to ensure that you do not use any other Bitdefender product besides...
https://community.bitdefender.com/en/discussion/comment/352130#Comment_352130
Since the image shows that you already have another Bitdefender product installed, the trial-and-error approach won't work....