Working in vista?

Martin, I have been keeping up with the post on web plus , and thank you for being simple when it comes to creating a web page, here's my problem I finally decided to go for the "serif" freeware, got the code to unlock the software, opened it up and ""Nothing"" , it wont operate( I think) on my vista os, have I made an error somewhere that I do not realize, thank you for any help