You will need
  • — computer
  • — Internet access
  • — the program WinDjView
  • file extension djvu
Instruction
1
Open the browser and go to the link http://windjview.sourceforge.net/ru/

On the right side of the page you will see a button "Download WinDjView...". Click it the download should commence automatically. Then install the program. Setting the standard, you can't change any settings.
2
The program is installed. Now all files with the extension *.djvu, will automatically open it, the problem is solved.