After corona virus outbreak most of offices demanding for work from home.
Some offices have small network they have not afford vpn technology
So they need to take remote of office machine
It is important task to configure remote desktop
Basic needs you want have
Router
Static IP of internet
Windows 7 or later
Remote desktop default port is 3389
If you want to get multiple machines remote desktop from other location
You want to configure router different port forwarding
Firewall setting
Enable remote service public and private
Add port in firewall
Also change every machine default port number in registry
In router side go to port forwarding section add your machine ip address and port number
Also allow port trigger