Installing the WordPress plugin is quick and straightforward. After you have downloaded the archive with the plugin, you will see the file with the plugin inside. Unzipped purchased the product you will see inside the archive with the plugin pluginname.zip There are two ways to install it:
Installation of the Plugin through the WordPress Admin panel ( Recommended for most users )
First of all, open WordPress admin area login page and login in into WordPress as Admin. To do this visit http://yoursitename/wp-admin
Go to Plugins > Add New
Click Upload Plugin Button
Choose archive with Plugin and press Install Now Button
After Installing go back to the Plugins page and click Activate below plugin title
Installation the plugin through FTP or build-in File manager
Use Login and Password to connect to your web-server via FTP or use your hosting file manager.
Upload archive with plugin to /wp-content/plugins
On next step Unzip the archive with the plugin
Installing WordPress Plugin is almost finished. Go to the Plugins page and click Activate below plugin title. You can find out your username and password on the website of your hosting provider.
After installing and activating the plugin, you can go to settings of the Plugin. Also, you can read more helpful articles about WordPress Themes and WordPress Plugins.