In addition to using the SharePoint publishing site templates, publishing capabilities may be enabled on an existing site by activating the SharePoint Server Publishing feature. In this recipe, we will activate the SharePoint Server Publishing feature on an existing site.
Follow these steps to enable publishing features on an existing site:
Navigate to the site in your preferred web browser.
Select Site settings from the Settings menu.
Select Manage site features from the Site Actions section as shown in the following screenshot:
Activate the SharePoint Server Publishing feature.
The SharePoint Server Publishing feature creates the SharePoint libraries used for a publishing site. These include the Pages and Images libraries.