This module is specific to Drupal. Information on how to install should be provided in the description of the project.
Aegir module to automatically setup Drupal instances with CiviCRM using Aegir.
Since CiviCRM 5.x, extension releases compatible with CiviCRM 5.0 are compatible with 5.0 and later. An extension release compatible with 5.25, for example, means that it requires CiviCRM 5.25 or later.