1. Install & activate the theme.
2. Go to your Dashboard > Appearances > Install Plugins, then install & activate all the required plugins (TLG Framework, WPBakery Page Builder, Contact Form 7).
3. Go to your Dashboard > Appearances > Install Demo.
4. Go to your Dashboard > Settings > Reading to select your homepage and modify the content. You can also go to Appearances > Customize to change the site title, logo,…
If the problem persists, please share us the admin account of your site via private reply so we can investigate your case and help you out. Also, please point to specific page where we can see the problem. Any screenshots would be welcomed!