This article explains how to change the title, description and logo image in a SharePoint 2013 site.
Use the following procedure.Step 1Login to the SharePoint 2013 site as an administrator (System Account).Step 2Click the settings menu near User Account (System Account), the following menu will appear. In that item details, click the Site settings.Step 3After clicking the site settings, the following screen will open. In site settings click title, description and logo item.Step 4The following screen will appear. Change the name of the title and description (if you need to).Browse for your logo image from the computer or from the SharePoint site. Here I have selected the from SharePoint option.Click Ok to save the changes. Finally your changes will appear on the screen.SummaryIn this article we have explored how to change the title, description and logo image in a SharePoint 2013 site.
SharePoint Online And Office 365 Administration