There’s an item in the store for the Definitive Edition but it’s not titled correctly and it’s marked as ‘unavailable’:
I feel like KI is missing out on pre-orders and potential sales due to this issue and I’d like it not to.
I’ve had to pre-order from Game.co.uk instead. A store I’d normally never purchase games from. Additionally; according to the Game.co.uk site they’re not shipping any copies of the Definitive Edition until the 27th of September which confuses me as I understood there was a global release of the 20th of September which the UK MS store does stick to: