1 - Install the plugin 2 - Drag the "Show Password" element to your page.
3 - Set an ID to the password field (Settings -> General -> Expose the option to add an ID attribute to HTML elements )
4 - Give a unique ID to the password field (bottom of the properties)
5 - Add an eye icon on the screen next to the password field
6 - As the workflow for the eye icon select "Show password" from Element actions.
7. In the action select the name of the show password element and the ID given to the password field.
8. Within the conditions of the eye icon, use the condition visible to toggle the icon image based on the visibility