With this mod you are able assign download link to Digital Product Options! (Customers are able to download product options). Once you setup product option value as DOWNLOADABLE it will assign downloadable status to any new assigned option automatically ans you can see in Product details page download link field for all items of option!

Useful for:
~ various product packages (mods etc.)
~ variants of digital products like
    - audio file sample rate
    - audio file type
    - dimension of images
etc...

When you want to offer product with option items downloadable vs. not downloadable and your customer does choose the not downloadable option shipping is calculated about as if product is tangible!

Example:

Products is digital (must be with downloadable option feature) with option:

- PDF
- Paperback

When customer select the paperback option item, shipping modules are activated like tangible product for!