Before you start installing a plugin, please make sure your server has the minimum resources required for the plugin.
WordPress Installation 
To install a plugin package first please visit your premium account at https://componentz.co/my-account/ to get an installable ZIP file. You can find it under the Downloads tab where you download the file by clicking on the particular download button.
Now we can proceed to install the plugin through the WordPress interface. Log in to your site and then continue to the Plugins - Add New section.
Then click Upload Plugin to upload the previously downloaded plugin file.
On the next step, choose the file from the download folder location of your computer and click the Install Now button to proceed with the plugin installation.
Finish the plugin installation by clicking the Activate Plugin button.
Plugin Uninstallation
If you no longer want to use a plugin, you can uninstall and remove it in the Plugins - Installed Plugins section. First click on the Deactivate link then click the Delete link to complete the plugin removal.