Even a first-time user should have no problems. And opening recent files is also supported.
You can hit “Open Files…” to add a file or just drag the file you want to the box. There are two main function buttons on the left side of interface, “Edit” and “Convert”, which allow users to beign the basic editing process and convert the PDF file to other formats. The program has an extremely simple and user-friendly interface. Dramatic features of ApowerPDF The Simplest Interface