To begin, navigate to the Toolbar > Edit with Elementor > click on the Urgent Care 24h popup
Or go to Dashboard > Templates > Popups
Locate the "Urgent Care 24h" popup and click on Edit with Elementor:
Please check these guides for further information:
Guide to Vamtam Elementor Builder
To remove the popup, navigate to the Toolbar > Edit with Elementor > click on the Header template
Locate the "Urgent Care 24h" button and change its link setting:
Or right-click on the button widget and hit "Delete".