To install a PHP-Nuke theme you need to take the following steps.
First of all you should unpack your template package using instructions from the Unzipping Template Package section.
There should be a folder named XXXX (four digits number). This is the PHP-Nuke theme folder. Copy this folder to /nuke/html/theme where nuke is the folder to which PHP-Nuke is installed.
The next step is to select a theme from a list of themes Your Account -> Themes.
If you want to use it as the default theme for your site, move to Administration->Preferences and set Default theme to the theme you bought. Notice that you must be one of the administrators to change default theme.
If your PHP-Nuke theme contains an animated Flash header, you can customize it using instructions from Working with Flash section.

