You can return your pre-order from the preorder.dyinglightgame.com page and then obtain the version you want.
Your pre-order refund request will be accepted in a period of up to 14 days after the game has been released. That means you have time until December 21st to ask for a refund without giving any reason for it.
To request a refund, visit the operator of the store at help.xsolla.com and contact Xsolla
customer support, please.