Install the Add-On from Marketplace :
Log into your
...
Jira instance
...
.Click the admin
Click the Apps dropdown and choose Atlassian Marketplace.
Click Find new add-ons from the left-hand side of the page.
Locate Simple PDF Exporter for Jira via search.
Click Free Trial to begin a new trial or Buy now to purchase a license for Simple PDF Exporter for Jira.
Enter your information and click Generate license when redirected to MyAtlassian.
Click Apply licensechoose Find new apps. The Find new apps screen loads.
Search for Simple Pdf Exporter for Jira and click on the app tile.The App Details screen loads.
Click Try it free to start installing your app.
You're all set!Click Close in the Installed and ready to go dialog.