aTube Catcher 2016 keeps on pace constantly to improve its stability and to add new features. Since May 2016 it’s available to download aTube Catcher 3.8.9003, the last official version so far.
To download videos from YouTube so you can watch them offline there is no need to be an expert. All it takes is using a program like aTube Catcher and let it handle everything automatically.
To download and convert online videos, aTube Catcher is the best available program for Windows.
Extracting the audio from any video (even directly from YouTube) is easy thanks to free programs like aTube Catcher.