J3.x talk:Updating Joomla (Update Method)
From Joomla! Documentation
you can update the Joomla CMS using the install method.
Links to old out of date info https://docs.joomla.org/J3.x:Updating_Joomla_(Install_Method) The link needs to be https://docs.joomla.org/J3.x:Upgrading_from_Joomla_3.4.x_to_3.5 . But It can't be edited