I have a photoshop document that I need to edit and I need these fonts GothamCondensed Bold, Gotham Medium, GothamCondensed Light and Gotham Black. How do I found out if I need to buy them? I've never installed fonts before so I am not exactly sure how it works. (I did watch a youtube video to help some).

I went to this site http://www.fontslog.com/geometric231...-otf-17127.htm and ended up on this page http://downloadfreely.com/start/?p=EZ-Fonts I did install and download the EZ fonts, but I still don't see those fonts in photoshop.

All the font sites appear to be very confusing with lots of crappy ads on them.