Welcome to the forums.
Re-read the rules that you agreed to when you signed up. Also see the "stickied" threads at the top of the newbie section.
Also don't be afraid to search for yourself both here on the forums and google.
Do not double post, your posts will be moderated for the first three days, so they will not appear instantly.
Pick either the German or English section. Many of our German members have at least a basic understanding of English if not better.