Installing the app is straightforward. First, go to the marketplace and search for the app (or use this link). Once you open the app page, select the plan.
Two different plans are available.
Either you select the agent-based plan or the instance-based plan. Note that if you have more than 13 agents in your Zendesk environment, you might be better off with the instance-based billing
Next, you will be prompted to fill out your domain.
Once filled out, you click on the install button and now you will be prompted to fill out the banking details.
The App gets loaded and will be listed in your Admin Center under the Zendesk support Apps
Please check if the App is activated by clicking on the cogwheel.
If you click on change the settings, you can enable role or group restrictions.
By now the App has been installed and can be used by the agents.