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I am having problems installing Creo to run on my computer could it be because I am still running Vista
Welcome to the forum.
Check out this link and see if it answers you question:
http://www.ptc.com/WCMS/files/135225/en/creo2_hw_notes.pdf
Thanks, Dale
I do not see Vista on the list, but that may not be your only issue if you machine is old enough to have Vista.
In fact it says that Creo 1.0 does does not support Vista, so anything after that doesn't either.