What are the steps of building an e-commerce website?

Decide what features you want in your website along with E-Commerce. Do you want a blog?

Most Open Sources Platforms have plugins and applications that allows them to integrate E-Commerce like WordPress, Joomla, etc.

You may use Magento, Open Cart, Zencart, Vulusion, WooCommerce etc. and integrate it with WordPress. Put your Digital Products/ Services along with their description, price etc. and allow your visitors to purchase from your website after securing your website with SSL Certification etc.

OR You may simply use Infusionsoft that may allow you to upload thousands of products/ services as ECommerce Platform and you'd have other features that every websites has templates/ landing pages etc.

Think about the volume of your products/ services you want to sell via Online Store/ E-Commerce Platform and based on that decide the platform that offers most inexpensive solution to your business needs along with Transactions Security etc.

1. Decide What features do you want your website to have ( Shopping Cart, Forum, Blogs, Polls, etc. )
2. Choose or Consult which CMS platform suite to above features you really need
3. Select the Hosting Provider and confirm their server support the CMS platform you selected
4. Google few web sites as per your concept and make list of which you like and not like website links.
5. Find a developer or agency and give them links that you like and dislike and with your desired features and they will do the rest

If you want to build E-Commerce website by your self then do learn below programes, 

1. Learn HTML & CSS
2. Learn WordPress as a first level to build E-commerce website
3. Learn Joomla or Drupal if you want more powerfull featured E-Commerce Websites

Hopes its help,

Wish you good luck!

first you should determine the bases and system of work and the services you will give then Draw the website shape with photoshop or any other programethen code it  with HTML & CSS those enough for beginners

and develop PHP script & manage MYSQL DBS

Six Steps to create E-Commerce Site:

1) Research and Strategy

2) Planning

3) Information Architecture

4) Design

5) Construction

6) Migration and Launch

Peace, mercy and blessings of God

I agree with everyone in the answer, but this is the correct opinion, which I think is 99%

  Design Shi is very important in the website and has a very prominent role, if not is the basic valve for him, deciphering because the design is striking and prominent and organized and arranged everything that was the most popular visitors

Additions can all skills by learning the most and good use of program and computer skills together

Take following steps to build it:

- Gether features which you want to add in it like adding products, categories, customers, discount coupons etc.

- Get graphic design.

- Design database for your website.

- Start its admin panel development.

- then start working on its frontend development.