ES4 is an end of core support but extended support for ES4 still exists. As Scott mentioned you can look towards upgrading to AEM forms, 6.4 being the latest version.
You can check the end of Life matrix of the products here:
ES4 is an end of core support but extended support for ES4 still exists. As Scott mentioned you can look towards upgrading to AEM forms, 6.4 being the latest version.
You can check the end of Life matrix of the products here: