Click on Upload new button (next to inscription Add plugins).
Specify archive with plugin by clicking on Choose file button and click on Install.
After installation click on Activate Plugin.
Features
High performance
Plugin does not connect additional JS/CSS files, and all links are stored in single arbitrary field of each post. That is why plugin absolutely does not affect loading speed and performance of site.
Constant Updates
Our plugins are definitely tested with new WordPress release. We guarantee correct work with current version of system, as well as with three earlier. Never be afraid to click "Update" button.
Strict adherence to standards
Our themes are developed with clear compliance HTML5/CSS3 standards, adherence to the WordPress Codex's recommendations and best practices for programming.