...
The app can be installed from the Atlassian Marketplace or from the Find new add-ons page of your Jira instance.
...
Before installing Rich Filters::Service Desk Dashboards, you should ensure you have a compatible Rich Filters for Jira Dashboards app version already installed and licensed. To find the compatible Rich Filters for Jira Dashboards versions, look at our compatibility matrix between Rich Filters::Service Desk Dashboards and Rich Filters for Jira Dashboards.
Before upgrading Rich Filters::Service Desk Dashboards – it is preferable to first upgrade the Rich Filters for Jira Dashboards app to the latest version.
After installing Rich Filters::Service Desk Dashboards – you must reindex your Jira instance (or at least all the Service Desk projects). Until this operation is performed, some of the statistics based on SLA fields might not return correct results.
...