Hi Nikos!

Every version of the program has a maximum number of pages you can create:

Free - 10 Pages
Home - 25 Pages
Compact - 10.000 Pages
Evolution - 10.000 Pages
Professional 10.000 Pages.

Please look into this page for more information http://www.websitex5.com/en/website-builders-comparison-chart.html
I hope this helps,
Samantha