No, it doesnt seem to work. Here are my complete course of actions
I download the Full Installer from your website here (file name is com_easysocial_full_pro_2.zip).
I upload the file on the Joomla 5.7 backend Extensions Installer
I get:
Message
Installation of the component was successful.
Thank you for your recent purchase of EasySocial.
Thank you for your recent purchase of EasySocial and congratulations on making the choice to use the Best Social Networking Extension for Joomla! Before you are able to access the EasySocial Component, you will need to proceed with the Initial Setup. If this is an Upgrade, please ignore this message and proceed with the Upgrade.
Proceed With Installation
I click on Proceed With Installation.
I get the Easy Social special installation page. On step 4 and specifically on "Downloading Installation Files" i get:
Downloading Installation Files...Failed
Your domain is not licensed to utilize our installer API. Please enter your domain name in your license area. If this is a local installation, please download the full installation package from your dashboard area.