To download Drupal, use the official website:

https://www.drupal.org/project/drupal

Drupal 8:

To learn how to install Drupal 8, read or watch the tutorial on this page:
https://drupalbook.org/ru/drupal/1-ustanovka-i-rusifikaciya-drupal-8

If you’re looking for a ready-made solution for your online store, we invite you to check out our Drupal-based e-commerce distribution: an online store built on Drupal Commerce Kickstart.

The store is based on Drupal Commerce Kickstart:
http://drupal.org/project/commerce_kickstart
You can always download the latest version from drupal.org, which includes the core features for an e-commerce site:

Note: After installation, make sure to update Drupal and all modules!

Download from GitHub:
https://github.com/levmyshkin/drublog

The current version of the Drupal Blog distribution includes the following features:

So, you've downloaded the archive with the distribution — next, it needs to be installed. I'll demonstrate the installation on Denwer, but you can install it on your own hosting or server. Learn more about Denwer and how to use it here: Is it hard to build websites with Drupal?

Create the directory:

/home/commercetest/www

And copy all the files into it:

Before editing your store, you need to log in as the administrator. To do this, go to the following page:

/user

Then enter the admin login credentials:

Username: admin
Password: 111111

Once you have access to the admin panel, you can start customizing your store. The first thing we'll change is the logo and favicon:

Our distribution already includes product groups such as clothing, bags, and mugs. However, you can always add new product groups. Go to Site settings – Structure – Content types

/admin/structure/types

Are you using someone else's website to manage your group purchases, but want your own? Then you can download and install a group buying website based on Drupal for free.

Our distribution offers a wide range of features:

In this section, I will archive older articles and videos related to Drupal 6 and Drupal 7.

In this section of the drupalbook.org website we will show you how to develop an online store on Drupal Ubercart.

In this section of the tutorial, we will look at how to create an online store using the Ubercart module. You can also use Ubercart as a product catalog without enabling online payment modules, but this may not be the most efficient solution for a catalog in terms of server resource consumption.