u need to set it up in control panel...
someone is gonna access your pc or u gonna access someone else's?
if its enabled...u or someone else can access the pc frmo some other pc..
or if u wanna access some else's pc, just putting in the ip will do...basically create a
new connection.
u can do a search for a .rdp file(probably default.rdp)
right-click on it and choose Edit...and enter ip...etc...