This is the result:
<h2>Install Required Plugins</h2>
The installation and activation process is starting. This process may take a while on some hosts, so please be patient.
<h2>Installing and Activating Plugin Unyson (1/1)</h2>
<div id=”progress-1″ class=”update-messages hide-if-js”>
Downloading install package from <span class=”code”>https://downloads.wordpress.org/plugin/unyson.2.7.7.zip</span>…
Unpacking the package…
Installing the plugin…
Plugin install failed.
An error occurred while installing Unyson: Destination folder already exists. /home/content/a2pewpnaspod04_data05/97/41365497/html/wp-content/plugins/unyson/.
Sorry to hear of the problem you are having.
It seems you have already tried to install the Unyson plugin on your site but the installation didn’t complete so please delete the unyson plugin directory from the following path on your site using FTP or cPanel file manager and then try installing the plugin.
You can find information about it on the following pages.
You will get access of it from your web host so please contact your web host regarding this.