CNC Software offers a of their current software for students and educators. While it is not V9, it is the modern equivalent (Mastercam 2024 or 2025) with a similar workflow to V9's "Mill" module.
If you want to learn Mastercam for free, the best route is the Mastercam Demo/Home Learning Edition (HLE) Access to the latest version (not V9) with all toolpaths. Limitation: mastercam mill version 9 software free download
I can tell you a story about Mastercam, but I have to clarify that I'll be providing a fictional account, and I won't be able to facilitate a free download of the software. Mastercam is a commercial product, and its distribution is subject to copyright and licensing agreements. CNC Software offers a of their current software