Installation [2.x Cloud]
1. Log into your Jira Cloud instance as a user with Jira administrator rank.
2. Click on Jira Settings.
3. Next, click on Apps.
4. Locate Issue Links Viewer via "search the marketplace" field - please note that its Vendor is Transition Technologies PSC:
5. Click Try free to begin a new trial or Buy now to purchase new license for Issue Links Viewer
6. Enter necessary information and click Generate license when redirected to MyAtlassian
7. Click Apply license