Yes, but legally only with a valid license. Version 9 runs well on Oracle VirtualBox or VMware with Windows XP as the guest OS. Licensed users often do this to preserve legacy workflows.
Mastercam is still actively sold and supported. Although V9 is obsolete, the intellectual property remains protected. Downloading a cracked version is software piracy, which can result in fines or legal action—especially if you use it for commercial work. The Business Software Alliance (BSA) actively monitors CNC forums.
Websites claiming to offer "free full versions" of expensive software like Mastercam are common vectors for malware.
Many authorized resellers (e.g., In-House Solutions, Barefoot CNC, MLC CAD Systems) can provide legacy licenses. Explain that you need Version 9 specifically. They may offer:
Some Mastercam resellers broker the resale of old perpetual licenses. When a shop goes out of business, they can legally transfer their V9 license to you.