You can find Essentials child theme “essentials-childs.zip” in child-theme folder in the All files & documentation package you download from your downloads page on themeforest website. What is Child theme?For detailed information about the Child theme you can check this...
Currently the option to upload custom fonts directly via the theme is not available. At the moment, if you uploaded custom font files via an external third party plugin (for example “Custom Fonts” or “Elementor Pro” (paid), or any other...
If Slider Revolution is not showing in the page please edit the slider in Slider Revolution editor and activate the options Advanced > Put JS to Body as following: