How do I delete account

If you have an active subscription you must cancel it first, paying any penalty. Then the account could be deleted. 

If you actually want to delete your account instead of just unsubscribing then read the following article

https://helpx.adobe.com/manage-account/using/delete-adobe-account.html

-Manan

To Cancel https://helpx.adobe.com/manage-account/using/cancel-creative-cloud-subscription.html
-FAQ https://community.adobe.com/t5/account-payment-plan/cancel-subscription-faq-s/td-p/11843852
-do be aware that cancelling early means paying 1/2 of the remaining time as a fee