(Thread moved to Website Development & Design.)
First off, welcome to HD!
If you'd like to learn HTML, I recommend going to W3Schools
If not, you can search for templates. Some web hosting providers offer a website builder that will help you going.
When you say virtual store, do you mean an ecommerce site selling physical goods? If so, there are scripts like XCart or OSCommerce that can help you get started without having to know a server-side scripting language.