Good news:

Our new product, Power VC Add-on, entered the market. By this plugin you can use new added tools and options to Visual Composer.

1- copy/paste rows across pages, 2- Scroll animations, 3- Advanced parallax background, 4- Unique demo pages, 5- 160 modern design shortcodes (fully responsive)

Click to Visit The Plugin

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How theme licensing works? Am I allowed to install the theme in a test environment prior to the official website?

Regarding to Themeforest rules each theme purchase license is valid for only one domain and to install it in another domain you’ll need another purchase code.