If you find DjVu files difficult to manage, you can convert them to PDF without downloading extra software using online tools: DjVu2PDF
If you already have a .djvu file and can't open it, you need a reader: kak skachat format djvu
or Librera Reader: Both are highly rated apps available in the App Store and Google Play that support DjVu. 2. How to "Download" as DjVu If you find DjVu files difficult to manage,
If you are trying to get a book or document specifically in this format: kak skachat format djvu
You can install the DjVu Browser Plug-in (though it is becoming less common) to view these files directly in your web browser before saving them. 3. Converting to PDF
An open-source viewer that works well on Mac systems. For Android/iOS: