If you are looking light weight fast and easy way to share your desktop to another desktop ammyy admin software is a very good software.
Easy to connect the remote control. Now you will get other system your ID enter in your ammyy software right side display a client id and enter. Now the software process to connect the other desktop. Opposite side desktop ask to confirmation for connect the remote desktop. Opposite side desktop given the accept it will display the remote pc. Now you will take the control of the system. Enjoy the remote software.