You need to do a few things:
1. Register a domain name
2. Find web hosting for it.
3. Use a site like
http://www.hotscripts.com to find a shopping cart application that meets your requirements.
4. Setup your shopping cart application on your website host.
5. Find and signup with an online merchant processor that can accept payments for you providing credit card processing.
6. If required, signup for a SSL certificate and set it up on your web server.
7. Add products, categories, descriptions, prices, images and shopping pricing info etc on your website.
This should help you have your website live letting to sell products. You can outsource the same process to a company and have them do everything for you or do all this yourself. You may also need a unique design implemented on your website shopping cart application.
Dilber MC Theme by HarzeM