How to Use Template Kits:
This is not a WordPress Theme. Template kits contain the design data for Elementor only and are installed using the envato Template Kit Import plugin for WordPress or directly through Elementor.
Detailed Guide:
https://help.market.envato.com/hc/en-us/articles/36033428836889-How-to-Upload-Install-Elementor-Template-Kits-from-Themeforest-to-WordPress
For further support, go to Elementor > Get Help in WordPress menu.