Installing the Plugin
As of now, the ReadSonic plugin is not available in the WordPress plugin repository. This means you will need to install it manually using the ZIP archive you downloaded in the previous step.
Add New
Log in to your WordPress site and navigate to the Plugins page. Click the Add New Plugin button at the top of the page.
If you are using an older version of WordPress, you may find the Add New button instead.
Upload
On the next page, click the Upload Plugin button at the top of the page.
Click the Choose File button and select the ZIP archive you downloaded earlier. Click the Install Now button to upload and install the plugin.
Activate
After the plugin is installed, click the Activate Plugin button to enable it on your site.
You can also activate the plugin from the Plugins page by clicking the Activate link below the plugin name.