You can create your store in just a few clicks and all of the server setup and maintenance is taken care of for you.
1. Go to Shopify.com, click “Start your free trial”,
2. Enter your store name, and click “Create your store”.
3. Visit the Shopify Theme Store and choose a theme suitable theme according to your product.

But if looking to create, design your store clean, attractive, user friendly, Sales oriented, and all devices friendly with SEO and Digital marketing optimized then you should consult with Expert shopify designer and Shopify store developer.