Cant buy the Pro Version Microsoft Store Problem

I downloaded the latest Version of djay pro. I’m on win 10 Version 10.0.19045 (latest Updates)

I cant buy the Pro Version or start the trial cause
I get the Error Message:
Unable to complete this transaction.
Please Update the Microsoft Store, …

I of course updated everything. Its kind of annoying that the Program is tied to my Windows Account.

Hi @czk666, please refer to the link below if you are still experiencing issues:
https://support.microsoft.com/en-us/account-billing/-unable-to-complete-this-transaction-error-message-8402cbd6-aed7-467c-b652-d9c4ec63e871