Download the signed and Apple-notarized NeoReader 0.67.1 universal DMG.
Install NeoReader from the production DMG. NeoReader Pro uses an offline device-bound licence; an existing valid licence is preserved when the app is replaced in Applications.
The public DMG is Developer ID signed, Apple-notarized and has a stapled notarization ticket.
The official SHA-256 for the 0.67.1 macOS DMG is:
From Terminal:
You can also download the published checksum file.