Download Phoca PDF plugin from the Phoca PDF download site. You get a ZIP file. Login into your Joomla! administration site and follow these steps:

Extensions » Install/Uninstall. Now you are in Extensions Manager. You can:

  • Upload Package File - select the Phoca PDF plugin ZIP file from your disc and click on Upload File  & Install.
  • Install from Directory - you can upload Phoca PDF plugin ZIP file into your server directory and install it from this directory
  • Install from URL - you can install it from another URL.

 Extensions » Plugin Manager » Phoca PDF plugin » Enable Plugin.