If you can't find the mail with your CD key please follow this link as you'll find it on your account page:
https://beta-accounts.paradoxinteractive.com/library/EU05
Where is my Europa Universalis V CD key?
If you can't find the mail with your CD key please follow this link as you'll find it on your account page:
https://beta-accounts.paradoxinteractive.com/library/EU05