Only members of the Site-Admin Group can add Paid Add-ons or Applications to the instance.
Log into your Jira instance as an admin.
Click the cog icon and choose Apps. The Find new apps screen loads.
Locate Scheduled Templates for Jira.
Click Try it free to install the app. The Add to Jira screen loads.
Click Start free trial.
You're all set! Click Close in the Installed and ready to go dialog.