Looking for IPTV Details/Help/Info

Hi,
I am new to this forum.
I was looking up info on IPTV services and came across a link referencing to IPTV panels and accounts etc.
I find all the services here interest me so I would like to get into things more often than not
I would like to learn more as to how IPTV is setup/re distributed and how to get access as well
All your help is most welcome.