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Once the installation is done, Salesforce will send you an email when the package is successfully installed and ready to use.
Please click on the Done button to remove the installed package screen.
Next Steps
As the next step of configuring the Salesforce managed package, it is required to connect your Salesforce org to Jira. Please follow the instructions listed in Configure Authentication Between Salesforce and Jira to connect your Salesforce org to Jira.