You'll want to download and install a copy of vSpace Pro Enterprise Edition.
Scroll down a bit and select Product Model and Operating System (e.g., RX420(RDP) / Windows 10) then click "Apply":
Scroll down a bit more to the section related to vSpace Pro Enterprise:
Click DOWNLOAD to download the MSI installer file for vSpace Pro.
This should be installed directly on your Windows 10 "host" machine.
After installation and reboot, you then need to register the software using the same credentials used to access our Management Portal.
Then you'll be able to connect via UXP.