Client could not connect to remote computer: Remote connections not enabled

I want to know how to use REMOTE DESKTOP CONNECTIONS. I have arranged my pal’s IP address. I wish now to acquire his computer admittance and access. I initiated the remote connection and entered my friend’s IP address but I was confronted with an error, guide me please to the elimination of the inaccuracy.
Kindly, discuss the functioning of Remote desktop Connection.
Remote Desktop Disconnected
The client could not connect to the remote computer.
Remote connections might not be enabled or the computer might be too busy to accept new connections. It is also possible that network problems are preventing your connection.
Please try connecting again later. If the problem continues to occur, contact your administrator.
OK Help
