Magento 2.0.18 is the final 2.0.x release. After March 2018, Magento 2.0.x will no longer receive security patches, quality fixes, or documentation updates.
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Installation flow diagram

The following diagram provides a high-level overview of installing the Magento software:

How Magento installation works

The diagram shows the following:

  1. Set up your server environment.

    Install the prerequisite software, including PHP, Apache, and MySQL. Consult the system requirements for specific information:

  2. Get the Magento software.

    • For simplicity, get a compressed Magento Open Source or Magento Commerce archive, extract it on your Magento server, and start your installation.

    • If you are more technical and you are familiar with Composer, get a Magento Open Source or Magento Commerce metapackage

    • If you want to contribute to the Magento Open Source codebase or customize the Magento application, clone the Magento 2 GitHub repository. (This method requires familiarity with both GitHub and Composer.)

    To be able to use the Web Setup Wizard to install or upgrade the Magento software, or to manage extensions you get from Magento Marketplace, you must either get a compressed archive or a Composer metapackage. If you clone the GitHub repository, you cannot use the Web Setup Wizard to upgrade the Magento software and extensions. You must upgrade using Composer and git commands.

  3. Install the Magento software using either the Web Setup Wizard or command line.

    For simplicity, only the Web Setup Wizard is shown in the diagram.

    At each step, the Web Setup Wizard validates the information you entered. As shown in the preceding diagram, if validation fails, you must manually fix the issues before you proceed.

    If the step fails because prerequisite software isn’t set up correctly, review our Prerequisites.

  4. Verify the installation by viewing your storefront and the Magento Admin.