Link to installation document is included.
This is the default theme redmond. install this if you want to have the defalt back.
Before you install the theme, make a backup copy of the file catalog/includes/template_top.php
Super easy installation: just copy the catalog structure to your webshop according to installation document, and the new theme will show up in the customer view. Very easy to get back to default theme redmond, just copy back the file
catalog/includes/template_top.php to your webshop that you saved before.