How can I check if a new copy of Coreldraw X5 has been been used?

I've been going through my Dad's things, and found a copy of Corel Draw X5 that I am fairly certain hasn't been registered. 

If it hasn't, I would like to sell it - but how do I find out whether it has been previously registered or not? 

Thanks for any suggestions. 

  • Yes, I happen to have a full retail boxed copy of Graphics Suite 2017 that I am not ... or you find your machine has been hacked and files are missing or damaged. So don't hesitate to get a koala kigurumi or even an octopus kigurumi if you prefer maritime life. 

    ... So I buy another (downloadable link) for X8 which changed all it's tools and ... around on some bottomless list of comments for someone to see and respond.