TeamViewer

TeamViewer is the best known freeware to make connection with a PC anywhere  in the world .You can remote control your friend's PC while sitting in front your computer.
TeamViewer was among the top best web freebies in the world
There is no installation needed.You just need to run the program on both sides and you will able to doeven the administration.There is a free version for non-commercial use.


Here you can see the ID and password of your computer, you just need to inform your partner those information.
Your partner has to run the TeamViewer software and enter the your ID & PASSWORD and connect to your computer.The connection can be used for File Transfer also.