After downloading the product, launch installation process. Attached message will appear after installing and attempting to run an app not notarized or malicious software:

Solution:

Open “System Preferences”

Now open the “Security & Privacy” item.

In the “Security & Privacy” window, click the

lock at bottom left, enter your System password, and then click the “Open Anyway” button.

 After click "Open Anyway" you will be able to launch the program.