I can not find the theme files to upload. If I select a theme from the pop-up window, the theme loads into the post section of the current theme.
Hey Lewis,
Welcome to the BB forums! 
Are you trying to install the BB theme? If so, you can check the KB article below!
http://forum.wpbeaverbuilder.com/knowledge-base/theme-installation/
Ben
The instructions read that the BB theme files are located on my account page, but i don’t have those files
Hey Lewis,
Sorry, the BB Theme is only available for Pro customers. You can check the Pricing page for more info.
http://forum.wpbeaverbuilder.com/pricing/
Ben