To create and manage Shopify store menus, you can go to the Shopify admin dashboard and navigate to the "Online Store" section. From there, you can click on "Navigation" to access the menu editor. Here, you can create new menus, add menu items, and organize them as needed.To create a new menu, click on the "Add menu" button and give your menu a name. Next, you can add menu items by clicking on the "Add menu item" button.