To begin, navigate to the Toolbar > Edit with Elementor > Menu H. Architecture
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 the Elementor Builder
How to trigger the popup from the header push menu
To begin, navigate to the Toolbar > Edit with Elementor > Header - H. Architecture
Click on the "Edit" icon of the push menu Icon Box element. 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/