If you download Desktop Email Encryption trialware and install it without entering a license key, several components will still be activated:
These components are not licensed separately.
The trialware product is provided to enable you to evaluate it for 30 days. This is made clear on the download registration page.
After you have download the trialware product you are sent an email that states the following:
Your use of this trialware product is governed by the online terms you accepted when you initiated this trial. Under those terms, use of this trialware product in a production environment is not allowed.
If you use the product for longer than 30 days or in a production environment you have breached the agreement.
If you wish to use any of the product's components, including components that are not licensed separately, you need to purchase a license.