S.T.A.L.K.E.R. Dead Air (2018) is a popular, free standalone total conversion mod for PC that does not require the original games to be installed, though it is based on the Call of Pripyat engine. It focuses on hardcore survival, atmospheric exploration, and a significant graphical overhaul compared to the original trilogy.
: The primary Russian source and home for the development team. Download Stalker Dead Air PC Game 2018
: The standard international hosting site for S.T.A.L.K.E.R. mods. Download Stalker Dead Air PC Game 2018
: Provides secondary mirrors like Google Drive. Installation Guide Download Stalker Dead Air PC Game 2018
Because this is a community-made mod, there is no "official" corporate store page. You can find official distribution links on major S.T.A.L.K.E.R. community hubs: