To install the plugin open the Jira Release Notes
page and and click "Try it free" to start free trial period.
Installation through the Jira Marketplace
Another way to install the plugin is to visit Jira Marketplace or "Apps"→"Manage your apps" from your Jira top menu. Search for "Jira Release Notes". Select our plugin from the list results and click "Try it free" to start free trial period.
Confirmation window indicates instlalation was sucessfull and the plugin is ready to use.
Find installed plugin on the Jira left menu to start the plugin usage.