To enable pop-ups in Safari (version 12):
1.) Click on "Safari" from the top left hand corner of the screen.
2.) Click "Preferences" from the drop-down menu to open the preferences window.
3.) From the "When visiting other websites" drop-down menu in the lower right corner, select "Allow"
4.) After completing the simulation, go back into your browser settings and turn your pop-up blocker back on for everyday browsing.
Back to Pop-up blocker (Error Message)