I can't speak to Intralink/Windchill issues, but for stand alone Pro|E you simply need to install in different folders. I think the installer defaults to an upgrade install in the same folder, but you can override that. I've got WF1, WF2, WF3 & WF4 on my machine now (along with SW 2006, 2007 & 2008) so I can use whatever the client requires.
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Doug Schaefer | Experienced Mechanical Design Engineer
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