Hello Joey ,
If you want to download trial version, please visit site
http://www.symantec.com/products-solutions/trialware/?pcid=pcat_security
select Desktop Email Encryption and you would need to register yourself to download the Trialware. Once you have registered and downloaded the product. You would recieve email from Symantec regarding the trial License, it has all the features and Virtual Disk Encryption that you would like to use.
Please get in touch with the licensing / customer care team from the list in the below link according to your location http://www.symantec.com/support/assistance_care.jsp and check for the trial ware license key which will by default have all the features enabled for 30 days.
Also check below the article for HOW TO: License Symantec Encryption Desktop \ PGP Desktop
www.symantec.com/docs/HOWTO42066