The Fallout website now offers an official Fallout 4 trailer and announces that the new installment in the RPG sequel is now available for preorder for Windows, OS X, and Linux. According to the description their E3 showcase with more on the game will happen Sunday, June 14th at 10:00 pm EDT:

Watch the official in-game trailer for Fallout 4 – the next generation of open-world gaming from the award-winning creators of Fallout 3 and The Elder Scrolls V: Skyrim, Bethesda Game Studios. Tune into Bethesda’s E3 Showcase on Sunday, June 14th at 7:00pm PT to see the world premiere of the game.