If you are ready for a change, here are the best alternatives available today.
It doesn't have the organization features of PaperPort (you will just save files to your Windows folders), but for pure scanning efficiency, it beats PaperPort hands down. paperport replacement
Mac users should not try to force PaperPort to work (via Parallels or VMs); these native apps offer better performance and integration with the macOS ecosystem. If you are ready for a change, here