New to ecommerce, need help

Greetings! I'm new to e-commerce and I have a website where I have products from a shop that I'm selling online and shipping worldwide. My shop mainly deals with Vintage Fashion Products, Art Products and Jewelry Products. Nonetheless, I've had this business for a while now, about two years, but no sales through the site. What's the best way to market my website so people can visit and buy products from it? WordPress ...