Posted Wed, Apr 11, 2012 by Martuk
The open beta build comes with a new hefty 4.3 GB update loaded with new launch features. Open beta will conclude on April 23rd followed by the head start on April 28th and the official TERA launch on May 1st. You can get access to the open beta by pre-ordering TERA or signing up via the official website. Additional details about TERA's launch and server list can be found on the TERA Launch page.
Source: TERA Open Beta Details