TEN PDF Reader is a user friendly software that allows users to read compatible PDF files. It retains the last opened page for each PDF file, which is helpful to users reading e-books. TEN PDF Reader has a minimalistic design. Simplicity has a higher priority than a lot of features. It's small and starts up very fast. It's designed for portable use: it's just one file with no external dependencies so you can easily run it from external USB drive.