How to fix if not opening on macOS Catalina

The new macOS Catalina has a new requirement that applications running on mac must be "notarized" by Developers. If an application is not notarized you will see this prompt during the installation process.

app can not open on macos catalina
To try and resolve this, make sure you have dragged the app to /Applications to complete the installation.

1)  Access  /Applications in Finder and find the app, right-click the app icon, chooseOpen in the pop-up menu.

run macos with right click

2)  Then click the “ Open” button in the pop-up window.

open app on macos catalina