PDF Prime is a utility used to work around the pdf file format in a way if the user wants to split, merge, edit, lock and unlock. The interface is very straightforward with a toolbar on top. It contains some icons labeled to use according to the requirements of merge the documents, split, edit and make changes etc. Just put the document into the application by browsing it and hit the required tab, the document will automatically be updated as preferred. The application is available in a package with the well described user manual and it can be installed on all versions of the Windows OS.