please help an idiot out

[terminator]

type in that adress:
(this is always the best point to figure out something)
www.google.com

type "winrar" in the search bar.
hit"search"

it´s the first hit.

download winrar, install it.

start your explorer and go to your
download directory.
right-click the first rar and choose something
like "extract here"
or "extract to XXX" and get your iso.