Power CMS Builder is Power CMS 2 packaged into a Dreamweaver Extension, It can be added to your site through the Dreamweaver Access points.
It is also sold with a Developers license, so can be used on many different domains, the licensing for the Power CMS Solution only allows to be installed on one domain.
there should be a fonts menu in the power cms toolbar, see the following thread if you missing the font menu:
showthread.php?t=19243