Please note that you need to have WP Fastest Cache (free version) installed in your website before installing the premium version. This is one of the best cache plugin available for WordPress websites with plenty of optimization features like mobile support, image optimization, CDN support, database cleanup, etc. It creates static HTML pages for your pages or posts and renders them really fast to your visitors.
This is the EXACT same plugin as distributed by the developer on WP Fastest Cache. The developers’ links are provided above.