This weekend Bethesda is allowing you to explore everything a post-nuclear Boston has to offer with the first-ever Fallout 4 Free Weekend. Commencing May 25 to 28, Xbox Live Gold Members and Steam users (full timings below) will be able to play all of Fallout 4’s base content and try out Mods for free. In tandem, Steam, PlayStation Store and Xbox Live will offer savings for Fallout 4’s base game and Season Pass, with discounts up to 67% off.

Steam
Free Period – Thursday 10AM – Sunday 1PM PT (Thursday 6pm BST/7PM CEST – Sunday 9pm BST/10pm CEST)
Discount Period Thursday 10Am PT – Monday 10AM PT (Thursday 6pm BST/7pm CEST – Monday 6pm BST/7pm CEST)

MSFT
Both Discounts and F2P event
Thursday at 12:01 AM PT – Sunday at 11:59 PM PT (Thursday 8.01am BST/9.01am CEST – Monday 07.59am BST/08.59am CEST)