windowscentral[.]com/heres-how-you-can-play-fallout-shelter-windows-10
Bethesda has silently released Fallout Shelter on PC. If you wish to play the hit mobile title, you'll need to install the Bethesda.net launcher to do so. To gain access to the game, you'll need to login with (or create) a Bethesda account and you should now be good to go. The listing was spotted by a user over on NeoGAF.