You can find all the info
here.
Thanks, I had already googled and searched this site as well (via the search box on top).
But there are no step by step tutorials (that I have found) to do what I have asked with Bitcoin QT and I don't want to screw up and make a very expensive mistake when I can come here and ask more experienced folk, who probably do this everyday, for a proper guide where I wont screw up.