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