PlayStation 4 pre-order made through the PlayStation Store should grant an exclusive theme. The pre-order cut off for this product was on Dec. 1st, 2020 at 12am Eastern time (11/30/2020 at 9pm Pacific time).

PC pre-order made through the Epic Games Store should grant a digital soundtrack entry in the game library.  It not available/redeemable, please refer to https://www.epicgames.com/help/en-US/epic-games-store-c73