Most of the Drupal core modules that we need will be installed automatically when we install our core Drupal 7.x site. The most important and crucial core modules are the following:
All of these should be enabled as they are required by Drupal core. Drupal 7.x core now includes the content construction kit concept and module as part of core. We do not need to install any additional modules at this point to be able to create content types. There may be other core modules you have or want to enable in your site. Go ahead and enable them now.