WPML Plugin: http://wpml.org
File Path : wp-content\themes\theme\languages
Theme installation for fresh sites, we charge $10 for our customers. The Envato WordPress Installation charges $50 for WordPress + Theme demo and plugin installation.
All existing demo pages and layouts are built through WPBakery Page Builder and should be customized via WPBakery Page Builder ONLY.
You can change your skin color Dashboard > Appearance > Customizing > Site Skin
Please check attached screenshot : http://prntscr.com/gdw2g3