If you like free software and games this offer by PKware has both, with instant win prizes and an entry in a separate sweepstakes to boot.
The free software is SecureZIP Express with a free digital certificate stored in the SecureZIP Global Directory.
Installation of the Software is required to play the game. (Windows OS only)
Complete details are available here:
http://www.pkware.com/software-data-security/contest-rules
The Promotion ends on March 31st, 2009.
