Enabling Concurrent Sessions allows you to Remote Desktop into a PC that someone else is on, under a different user account, and access the system without disconnecting the current logged user
Remember that to remotely connect over the Internet you must configure your router to forward incoming RDP connections to the proper computer IP Address.
To set up multiple Remote Desktop Connections, please follow these steps:
Download and install the latest version of RDP Wrapper Library from this website https://github.com/stascorp/rdpwrap/releases
Locate the Install batch file, right click and run as administrator. If prompted click yes to the (UAC)
Now Windows 10 is configured for multiple Remote Desktop Access.