It’s actually not possible to re-order posts in WordPress without a bit of coding or a plugin, unless you want to fudge it by changing the dates on your posts. That’s where the Post Types Order Plugin by Nsp-Code comes in. It has a simple drag and drop interface and couldn’t be easier to use. Kudos to the developers!
An incredibly useful plugin for easily creating a child theme for WordPress. This is an essential step if you want any customisation on your site, since without it, all changes will be over-written when you update your theme. The plugin page is here: One-click Child Theme Plugin