- Log into your Jira instance as a user with Jira administrator rank.
- Click the admin drop-down (cog icon on the the right-upper corner of the screen) and select Add-Ons (1).
3. Click Find new add-ons from the left-hand side of the page.
4. Locate Issue Links Viewer via "search the marketplace" field - please note that its Vendor is Transition Technologies PSC.
5. This add-on is free of charge to use at any level, so there's no need to apply for its license.