Composer is the preferred way of managing your modules and themes as it automatically handles dependencies and prevents errors. For detailed information about Composer, visit https://getcomposer.org/.

The Site Studio module and theme do not currently exist on drupal.org. You must specify the repository paths in the composer configuration and add the dependencies.

1. Open a terminal window and navigate to your project root directory.

2. Run the following command to require the Site Studio module:

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   composer require acquia/cohesion:6.0.3

   In this command, change the version number to correspond to the latest release of Site Studio. The latest release is available on the packagist page.

3. Log in to the Site Studio user interface as an admin user.
4. Click Extend on the admin toolbar.
5. Enable Site Studio core and dependent modules together except the Site Studio example custom element module.

6. Click the form submit button and agree to install the dependencies.

   The admin toolbar displays the Site Studio menu item.

7. Alternatively, you can enable the modules with the following Drush command:

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   drush pm-enable cohesion cohesion_base_styles cohesion_custom_styles cohesion_elements cohesion_style_helpers cohesion_sync cohesion_templates cohesion_website_settings -y

Install the Site Studio modules on your website with composer