Because it's not there. Contact your local reseller for a trial version.
--
Sean Dotson, PE
http://www.sdotson.com
Check the Inventor FAQ for most common questions
www.sdotson.com/faq.html
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"Mark Glenn" wrote in message
news:32EEB073DBEA266F49C963A626EEC404@in.WebX.maYIadrTaRb...
> where on the autodesk site can i download the 30 day demo of inventor 6?
>
> can someone send me a link to this page ive looked but for some reason
> cannot find it... thanks
>
>