Installing VerseVIEW on Mac OS is easy but recent changes to Mac OS Catalina, has an additional step.
- Download and unzip the VerseVIEW file for Mac OS
http://verseview.info/vv/downloads/

- Copy verseview_7_2_0.dmg file to the desktop or applications folder
- Double click on it to launch VerseVIEW. Depending on the security settings on you Mac, you may see the following message

- You can allow it by doing the following as mentioned by Apple.
https://support.apple.com/en-us/HT202491
- Go to System Preferences > Security and Privacy and click Open Anyway to confirm your intent to open or install the app.

- The warning prompt reappears, and you can click Open.

- Hope this helps. Thank you
Installing VerseVIEW on Mac OS Catalina