To begin, navigate to the Toolbar > Edit with Elementor > Header
Or go to Templates > Theme Builder > Header > Edit with Elementor. Control the layout, conditions, rules and styles of the header template.
Please check these guides for further information:
Create Headers Using Elementor
Guide to Vamtam Elementor Builder
1. How to edit the logo image
You can edit the column and the Site Logo styles:
https://docs.elementor.com/article/368-column-overview
https://docs.elementor.com/article/453-site-logo-widget
To set the logo size, visit the Style section:
You can edit the Logo image, Site title and Tagline in Customize > Site identity:
You can check this guide for more details: Vamtam Elementor Themes: How to edit the Logo image, Site Title and Tagline?
2. How to edit the menu/navigation
Click the "Edit column" icon to edit the navigation background, borders and layout.
https://docs.elementor.com/article/368-column-overview
Click the "Edit Nav Menu" icon to select the menu and edit the navigation styles and layout.
https://docs.elementor.com/article/244-nav-menu
3. How to edit or remove the shopping cart icon
You can remove the shopping cart following this instruction: https://docs.elementor.com/article/465-how-to-delete-a-widget
You can also edit the column's and the icon's styles:
https://docs.elementor.com/article/368-column-overview
https://docs.elementor.com/article/456-menu-cart-widget
4. How to edit the Free Trial button
https://docs.elementor.com/article/59-button
5. How to edit the Popup button
https://docs.elementor.com/article/59-button
For customizing the Popup content, please check this guide: How to edit the Popup template?