To begin, navigate to the Toolbar > Edit with Elementor > Get in touch
Or go to Templates > Popups > Login > Edit with Elementor. Control the layout, conditions, rules and styles of the popup
Read more about the Elementor Popups
Read more about Vamtam Elementor Builder
How to trigger the popup from the header button "Get in touch"
To begin, navigate to the Toolbar > Edit with Elementor > Header - Big Construction
Click on the "Edit" icon of the "Get in touch" button. You can edit or remove the popup connection in the Link field:
Please follow the detailed tutorial for how to "Create a Button to Trigger an Onclick Popup in Elementor" here:
https://www.youtube.com/watch?v=-29XXbJLnQM
https://elementor.com/help/how-to-trigger-a-popup-on-a-link-click/