You are already in the right board which is the Beginners and Help board, simply go through the pinned post as they contain a lot of the information you need to be a good member of the forum. You can as well go to the pinned post in the Meta board to get information pertaining to the forum after which you can start looking for the areas that interest you such as Bitcoin technical, economics, gambling and so on. Just feel free to explore the forum and don't forget to ask questions where necessary.