The best adice I can give you is to use WordPress. You will not find a shortage of help for it on the web and there are plenty of resources….also free.
check this out http://codex.wordpress.org/New_To_WordPress_-_Where_to_Start
Welcome and enjoy the journey.
PS. best second peace of advice….don’t let it frustrate you if you struggle….because you will struggle. The best way to learn is to make the mistakes. We all do it!