How to open file with extension .vnw ?

Open file with extension .vnw:-

You will find many files with .vnw extension. First rename the .vnw file to .rar
Example, if the downloaded file's name in movie.vnw then rename it to
movie.rar .
After that use Winrar to extract them.
Make Sure That All Parts Of the movie are in the same folder.
Then right click on the Part 1 File. Then Choose Extract Files Here.
After that You will find the extracted movie on the same folder (where the downloaded files are).