This is only the client application, you need to install the server first. Make sure you read the documentation before getting started. Using this application, you can safely and remotely connect to your Cosmos Server, without exposing it. Constellation takes cares of all the details for you, such as using a secured VPN Tunnel and integrating into the reverse proxy. Those clients are early alpha and you might encounter some issues. please make sure you reach out if that's the case so we can improve them!