Hello,
1. You can add a negative margin top (for example -40px) for the first row with Visual Composer on that page.
2. Here is a detailed instruction on another topic that should help you create a mega menu dropdown http://xtemos.com/forums/topic/how-to-set-menu-to-megamenu-like-your-demo-pages/#post-2607
3. Customize footer layout in Theme Settings -> Footer and choose which widgets to display there in Appearance -> Widgets.
4. If you want to make it look like our demo you need to choose “E Commerce” header layout in Theme Settings -> Header -> Header layout.
5. Place your banners to categories description fields while editing them in the Dashboard.
6. Add your custom links in Appearance -> Menus.
7. You need to add the following shortcode to your page to display track order form [woocommerce_order_tracking]
Kind Regards