Use the button that shows you can connect to DistroKid to create an account there. The email you use does not need to match your FL Studio Account.
NOTE: Your
DistroKid distribution services included with FL Cloud Trial or Paid Subscriptions is administered by DistroKid from their website, including DistroKid support. We do not have any control over the Distribution part of your FL Cloud Subscription.
FL Studio Support Team