Like I said, read `Smart questions' (http://www.catb.org/~esr/faqs/smart-questions.html
). Specifically: which page did you go to? which file did you download (give us the URL). What commands did you run to install it? What was the exact output from those commands?
You should be able to find gcc on gcc.gnu.org, but I recommend you first investigate whether or not your distro provides a package for it. Installing programs on yoper doesn't look terribly complicated, at least not in the guide I found on the yoper homepage (search `install programs'). Likewise, browsing for packages shouldn't be either