This year Halloween Strongboxes are lootable from all Halloween Mayhem creatures and are opened with Classified Strongbox Keys.
The limited-edition Halloween Ring 2017 could be waiting for you...
See the Strongbox page for details.
To play Entropia Universe you need a user Account and a Windows PC with the Entropia Universe client installed.
Your email and a password is all that is needed.
You will find Download options after Account creation.
Need a fresh Download? – Go get the Entropia Universe Installer.
You can create your free account while the installer downloads game content.