The PC version of Fallout 76 will NOT be available on Steam. This is the great news that comes out reading the FAQ on the official website of the game: "Both the BETA and the full game will be available on Xbox One, PlayStation 4 and PC (exclusively through " The speech, therefore, also applies to the beta coming in October. To confirm everything too Pete Hines with a very clear Tweet:

It would not be the first time anyway that a Fallout title does not land immediately on Steam. Fallout Shelter also began its run as exclusive, but then arrive on Steam a few months later. We will therefore see how the situation will evolve.

Please note that the BETA will be available in October for some lucky ones (who have pre-ordered) selected by the publisher. The BETA it will be very interesting because it will provide the complete game and, above all, it will allow you to save your progress until the official exit of the title.
Fallout 76 is coming to the November 14 for PC, Xbox One and PS4.