Welcome to Comment Edit Core
Enable comment editing for anonymous users
Installation
Install from the WordPress Admin
Log into your WordPress admin (i.e., your dashboard)
Type in "Comment Edit Core"
Install and Activate the plugin
After activation, you can find the plugin's settings in the Dashboard under Settings->Comment Edit Lite.
Install via FTP
Unzip the plugin zip in a place you can remember for the next steps
Log into your FTP program of choice for your website
Upload the unzipped folder into wp-content/plugins
Log into your admin dashboard
Head to the plugins screen
Search for Comment Edit Core.
After activation, you will be taken to the plugin's settings screen.