Free version vs. Pro one
Pro version differs from the Free one, additional features/changes are:
- support for Word, Excel files (including DOCX XLSX). MS Office not needed.
- new multimedia player, which supports over 170 formats. External codecs not needed.
- support for complex RTF files (with images, tables...)
- support for RAW-images (from 400+ cameras)
- options added:
- option "Fit window to media size"
- search option "Highlight all matches" (Text mode)
- and some others