Starts 29 June @ 7 PM to 3 July @ 5 AM NZST.
It starts on Friday, 29th June at 8:01 am BST / 9.01am CEST and runs until Monday, 2nd July at 6:00 pm BST / 7.00pm CEST , but you can start the pre-load right now.
Best of all, your progress will carry through if you decide to continue your adventures in the full version of the game.