Examples of use:
You have created one big digital product, let's say it is a tutorial - 3GB of files.
You would to split it into 3 parts for 1GB each: part1.zip, part2.zip, part3.zip, additionally you want to add bonus bonus.zip and Terms and conditions of use or license.
Yes it is possible with this modification.
You want to add 5 x mp3 or 7 x PDF files to one product in Prestasop.
This modification will allow you to do this.