Look Tomer, buy you books and send you to school. Take a close look at the info in this thread, as far as I know, these are the simplest instructions we know of, without coming to your house. Just read every post and take your time, it will not bite you, if you shut it down and unplug it. Try it it is fun.Or:
Is there anything you did not understand?
Post a photo of the inside of your computer, like mine. Then we can point it out to you.