Sticky, or fixed, navigation is basically a website menu that is locked into place so that it does not disappear when the user scrolls down the page.
In other words, it is accessible from anywhere on the website without having to scroll.
How to create a Sticky Menu?
To create a sticky menu, you need to know how to create a header menu. To create your own header menu, please follow this link: Header Builder
Go to theme options > Header builder and select sticky menu tab.
By creating the first header, elements will be transferred to a sticky menu, but to make changes in this menu, you can create new elements.
In this video, it is explained how to create a sticky menu: