More about PDF Studio Pro
You can download the installer 80.37 MB of PDF Studio Pro v2018.2.1 from this site. The trial version of the Qoppa Software, LLC program gives access to most features, but to use it on the full you need to purchase this program at $129. It is classified as belonging to the Productivity category, namely Office Software. The antivirus scan of the direct download link proved it to be clean.