Step 1: 

Obtain and install AoA DVD Ripper.

Start the program and load your DVD.

Select the root directory of your DVD disk.

Now your DVD is ready to begin. Notice that the first title has the longest time in duration. This is probably going to be the one you want to convert.

Step 4a:

Select the movie title you that want and click on "Movie Clip".

(If you want to copy dvd chapters, please read step 4b instead.)

Simply drag the slider to the time index needed.

Or click the and the button to locate the clip.

Select "Chapters".

(If you want to extract dvd clips, please read step 4a instead.)

Please note that this feature doesn't support WMV format.

Select the DVD chapters that you want to convert.

Select an output format, a subtitle language, an audio track. Set the output directory and press the Start button.

DivX is a popular format for viewing DVD movies on PCs due to its high compression rate. The DVD copied and compressed by DivX is of high quality and takes up less room on hard drive.

Click here to see the detailed guide on how to convert dvd to divx.