The Windows Client is a signed Windows 10 app. This means it can be used on all Windows 10 devices including Surface Hubs and Windows 10S devices.
Windows LOB Deployment
The app can be deployed as a Microsoft LOB App. This allows it to be placed on an Organisations Enterprise Store and made available to internal employees.
Microsoft have published guidance on how this works here:
https://docs.microsoft.com/en-us/windows/uwp/publish/distribute-lob-apps-to-enterprises