This is stickied at the top of the page btw, but the gist of it is if you already pre-purchased the digital version and later apply the the Collector’s Edition, they refund you the digital version via Blizzard Balance.
This is stickied at the top of the page btw, but the gist of it is if you already pre-purchased the digital version and later apply the the Collector’s Edition, they refund you the digital version via Blizzard Balance.