You can remote into another computer with Windows Remote Desktop Connection.
http://technet2.microsoft.com/Window....mspx?mfr=true
You can use it to connect to any computer on your network or connect to any computer over the internet (if it is enabled on the remote computer).
However we cannot assist you on hacking into another computer for personal benifit. Hacking into another computer without permission is illegal.
So that part of the conversation needs to stop there.