After installing the demo content, you may face issue font awesome 4 issue. Because by default elementor work with Font Aesome 5. But we really feel comfort with Font Awesome 4. Becuase its Full FREE!
So here is the steps to fix it.
01) At first open Elementor Settings Page
02) Now select the Advanced tab
And the select “Yes” for the option “Load Font Awesome 4 Support”, Then click the button Save Changes.