ok to fold you simply install a program this program will not do anything graphical usually its just a screen saver or a console. this program will take the lowest priority possible on your computer so if anything else is running that needs resources they get it and this program only uses your cpu when its doing nothing else. the program while running also downloads packets which is what it works on. its named folding becouse that is the projects name its a protein folding project. basically your computer is helping them emulate protein. what david is saying is that he has created a team for the forums and so they keep track of all of the packets all of us do while we are part of his team and when you reach number one you can be proud of yourself.
Back in the day it used to be easier to confuse trolls with a chunk of cheese.