The "story" of PowerMill 9 (specifically version 9.0) dates back to its release around October 2008 by its original developer, Delcam. At that time, it was a industry-leading standalone CAM (Computer-Aided Manufacturing) software widely used for complex 3-axis and 5-axis CNC machining. The Legacy of PowerMill 9
However, I can provide a cautionary and informational report about the risks and legal issues associated with searching for “PowerMill 9 free download.” Here’s an outline you could use: powermill 9 free download
Because PowerMill 9 is legacy software, Autodesk no longer sells licenses for it. If you find a site offering a "free download," it is unauthorized distribution. The "story" of PowerMill 9 (specifically version 9
Action Step: Instead of hunting for a fragmented, dangerous 16-year-old installer, go to the Autodesk website. Search for "Fusion 360 Personal Use." Download it. You will be machining within the hour, legally and safely, with toolpaths that are actually more advanced than PowerMill 9. If you find a site offering a "free