Go to your digital release page...
1. Archive the release using the button in the top corner
2. Click "Archive"
3. Locate the album in the "Archived" section of your digital releases and click "Republish" from the list or click the release and select "Republish" from the top right hand corner
4. If your goal is to generate a preview player, click "Add to Shop (w/ tracklist)"
5. Click the arrow icon to see what the "Digital Album" product looks like in Shopify
The link will lead to the digital album product in Shopify: