How can i make my website rank?

Hi everyone, I have a website where i post contents like music and movies for downloads but my site is not ranking at all and my traffic is as little as nothing. I am not a SEO expert but i did my site SEO myself with Yoast and followed a video tutorial while doing it. please i need assistance on how to optimize my site so i can have traffic on my site and be rewarded for the time i invest in uploading contents on the site