If you use Elementor PRO, everything is much simpler. This functionality was created only for people who use the free version of Elementor, because in PRO version functionality to create header templates is already available by default. You can find out how to do this here.
Header Type Templates is a sets of elements such as navigation, social links, search forms etc. that together make up the different header styles.
You can find them by going to your Template Library and selecting the Header template type.
In Theme Options > Header tab, you can choose standard header template.