https://www.drupal.org/docs/user_guide/en/install-prepare.html
Social Web
https://www.drupal.org/docs/user_guide/en/install-decide.html
https://www.drupal.org/docs/user_guide/en/install-tools.html
https://www.drupal.org/docs/user_guide/en/install-requirements.html
https://www.drupal.org/docs/user_guide/en/installation-chapter.html
https://www.drupal.org/docs/user_guide/en/language-concept.html
https://www.drupal.org/docs/user_guide/en/planning-workflow.html
https://www.drupal.org/docs/user_guide/en/planning-structure.html
https://www.drupal.org/docs/user_guide/en/planning-modular.html
https://www.drupal.org/docs/user_guide/en/planning-data-types.html
https://www.drupal.org/docs/user_guide/en/planning-layout.html
https://www.drupal.org/docs/user_guide/en/block-regions.html
https://www.drupal.org/docs/user_guide/en/planning-chapter.html
https://www.drupal.org/docs/user_guide/en/understanding-gpl.html
https://www.drupal.org/docs/user_guide/en/understanding-project.html
https://www.drupal.org/docs/user_guide/en/understanding-data.html
https://www.drupal.org/docs/user_guide/en/understanding-distributions.html
https://www.drupal.org/docs/user_guide/en/understanding-themes.html
https://www.drupal.org/docs/user_guide/en/understanding-modules.html
https://www.drupal.org/docs/user_guide/en/understanding-drupal.html
https://www.drupal.org/docs/user_guide/en/understanding-chapter.html
https://www.drupal.org/docs/user_guide/en/preface-scenario.html
https://www.drupal.org/docs/user_guide/en/preface-conventions.html
https://www.drupal.org/docs/user_guide/en/preface-reporting.html
https://www.drupal.org/docs/user_guide/en/preface-organization.html
https://www.drupal.org/docs/user_guide/en/preface-audience.html
https://www.drupal.org/docs/user_guide/en/copyright.html
https://www.drupal.org/docs/user_guide/en/preface.html
https://www.drupal.org/node/2827275/revisions
https://www.drupal.org/ru/docs/user_guide/ru/index.html