If you buy the current version (Rhino 8), you can usually request a legacy key for Rhino 7 through the official downloads page .
: While not free, students and faculty can purchase a perpetual license for roughly $195 , which is significantly cheaper than the commercial price and never expires. Risks of "Free" License Keys Rhino 7 license with Rhino 8 upgrade - McNeel Forum Rhino 7 License Key Free Rh70 BETTER
. While Leo was lofting curves, the software was quietly logging his keystrokes and accessing his saved browser passwords. If you buy the current version (Rhino 8),