You can display Popup on right-click using the Post Grid Combo plugin. This article will help you to display a popup on right-click.
To begin, insert a “Popup” block.
Click on the Visibility Tab and click on the Add Group button.
Then Click on the Add Condition Button to add a condition to load the Popup on right-click.
Here, choose the Click Right option to make the popup display after a few clicks.
Now you can disable the right-click menu for that page with the toggle button.