Some software licences can be very, very expensive.
When I was in art school in the early 2000’s, I worked with computer controlled weaving looms. The program for drafting patterns and running the AVL Compu Dobby on the loom was free to download. In order to use it, though, you had to have a $3000 usb key.
The part that hurt was the ancient Mac II that ran the loom. When I encountered the Y2K bug on it, some upperclassmen said, “Oh we’ve just been turning the clock back a year.” Turned it back as far as it would go…1969