Years ago, Adobe provided a "non-activation" serial number for legitimate owners because the activation servers were retired. You may still be able to find documentation on Adobe’s support forums regarding legacy activation.
Some enthusiasts have created "FreeHand MX Desktop" patches specifically designed to help the software launch on modern versions of Windows, though these still require the original program files. Modern Alternatives macromedia freehand mx 1102 portable link
Most sites offering "portable" links for FreeHand MX are third-party repositories. These files are often bundled with malware, adware, or trojans. Years ago, Adobe provided a "non-activation" serial number
If you are looking for the FreeHand experience without the technical headaches of 20-year-old software, consider these modern tools: Modern Alternatives Most sites offering "portable" links for
Are you trying to from a specific project, or do you just prefer the FreeHand workflow over modern tools?
The industry standard that eventually absorbed FreeHand's user base. Inkscape: A powerful, free, and open-source vector tool.