Installing the blesta facebook messenger plugin is very simple. The following steps will guide you through the process:

1. Unzip the contents of the zip file to a folder on your computer
2. Upload the entire files in the 'upload' folder to your website - if you experience problems, try uploading in binary mode
3. Login to admin area go to Settings > Company Tab > Plugins > Available Tab
4. In the plugins page you will see the facebook messenger plugin click install
5. From the Installed Tab look for the facebook messenger plugin. Click manage to setup the facebook messenger chat