PTC's Creo Parametric is the company's heritage released in it's latest version PTC Creo Parametric 3.0. On CADplace you will find many articles related to this release, and here you have the links needed to go straight to the Creo Parametric download page. Download and install it on your workstation. Test it for 30 days. You will have plenty of time to put this CAD program through your tests. Go ahead and try it.
And take a look at CADplace reports on PTC and especially the PTC Creo 3.0 launch. If you want to listen to the PTC CEO strategy, listen to PTC's CEO's keynote speech, or learn how AMD FirePro graphics developers helped PTC optimize performance, then you will find what you are looking for on CADplace.