Introduction
Overview of your options to choose from to update Drupal 7
Automatic Updates
Drupal 7 documentation of the how and why of automatic updates.
Update core (option 1)
Update Drupal 7 core using a manual installation (option 1)
Update core (option 2)
Update Drupal 7 core using a manual installation (option 2)
Update core (option 3)
Update Drupal 7 core using a manual installation (option 3)
Update core using Drush
Procedure for updating Drupal 7 core using Drush.
Update modules
Update Drupal 7 modules