If you want to try setting it up the old way, have a look at xhost, xauth, and be prepared to change your X server start up to remove the flag that prevents it from listening to TCP sockets.
Most systems control this by using the xhost client. Other systems control access through a session manager. To use the xhost client to permit all remote hosts to connect to your server, enter the ...
Setting access control for your X server will depend on the server you use. For Cygwin, try running xhost + from a Cygwin prompt. For VcXsv, you’ll want to check the startup option that allows ...