tar zxvf drupal-8.4.0.tar.gz

  - Download & Extend | Drupal.org https://www.drupal.org/download
  - Captcha Keypad: https://www.drupal.org/project/captcha_keypad
  - External Links: https://www.drupal.org/project/extlink
  - Simple XML sitemap https://www.drupal.org/project/simple_sitemap
  - http://serw.name/block/add?destination=/admin/structure/block/block-content http://drupal.ru/comment/667063#comment-667063 Yandex.Metrics https://www.drupal.org/project/yandex_metrics
  - http://drupal.ru/comment/687782#comment-687782