There is no legitimate, permanent "free product key" for . Inventables has officially discontinued standalone product keys in favor of a recurring subscription model. While some older keys may still exist from previous machine purchases or promotional emails, modern access is managed directly through account-based subscriptions rather than manually entered keys. Official Methods for Free Access
If you are determined to use actual Easel Pro, here is the smart, safe, legal workflow to get the most value without paying the full price.