It is recommended to uninstall the agent from the client computers prior to uninstalling the product. If the client computers are in the same LAN as that of the product server, the agents can be uninstalled from the SoM page of the web console.
To uninstall the product, select Start --> Programs --> ManageEngine Desktop Central --> Uninstall.
If you have uninstalled the product before removing the agents and if you wish to remove later, refer to the online knowledge base for steps.