...
The app can be installed from the Atlassian Marketplace or from the Find new add-ons page of your Jira instance.
Please Please make sure you follow the instructions below before and after installing the Rich Filters for Service Desk Dashboards app:
Before installing Rich Filters for Service Desk Dashboards, you should ensure you have a compatible Rich Filters for Jira Dashboards app version is already installed and licensed. To know the compatible Rich Filters for Jira Dashboards versions, look at our compatibility matrix between Rich Filters for Service Desk Dashboards and Rich Filters for Jira Dashboards.
After installing Rich Filters for 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.
...
The Rich Filters for Service Desk Dashboards 1.0 is and compatible Service Desk versions are supported for Jira 7.2.0 – 7.8.x and compatible Service Desk versions. To determine the compatible Service Desk versions, see the Jira applications compatibility matrix published by Atlassian.