You have 2 different There are two options to install the 
Alpha Star plugin:
Directly install Install it directly from the Atlassian Marketplace.
Deploy the obr plugin file in the Manage Apps section of the Jira Administration console.
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Note: obr can be downloaded from Atlassian Marketplace → Versions → See all versions |
That’s it, That's it! The plugin is ready to use right immediately after the installation.