Helping newbies is a great idea, but in the end it's just a hassle to try and help somebody that cannot help themselves. Installing "tar.gz software" is trivial, and there are probably countless places that somebody could go to find out (chief among these being google). If somebody is not willing to search for the answer themselves, giving them the answer is almost useless (it's the whole idea of "give a man a fish / teach a man to fish"
This site is called LinuxJunior, not LinuxIdiot. If somebody has searched, read and experimented and cannot find the answer, good for him; he deserves a hand up. If somebody just comes on and says "I am stupid, give me the answers", he deserves nothing.