The program that you have quoted is not worth 1 dime. Even if it works for your OS, the program is too old to compete with more modern versions.
You have got a number of alternatives, namely
Edit: I see that you have posted/asked similar questions elsewhere in this forum. To ensure that there are no contradictory replies, I will lock this discussion.
Edit 2: John has asked for the discussion to be reopened.
A serial number should have accompanied your product. If it doesn't work, it's because activation servers were probably shut down long ago. And asking others for another serial number won't help you.