CSS Validator download

I wanted to download the CSS validator, but am lost as to which files to 
download and how to download them. Also is it a program that run when ever 
I like on a windows system or does it have to be on a web server?


Ian Christie
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When the least they could do to you was everything,
then the most they could do to you suddenly held no terror.
         -- (Terry Pratchett, Small Gods)

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