If anyone has experienced already with, how does it exactly work after Purchasing the monthly payments? Do you download something? Will I be able to removed monthly payments in the future if needed? and how to host with it? Screen shots if possible? Any help will be great.

Make sure you change your password often. It's one of those sites that "hackers" from Byond like to go and get the cached passwords from, lol.
Understandable lol not gonna use the site though.