: For GOG Galaxy users, you may need to enable the beta channel for the Enhanced Edition within the game's configuration settings to see the installer.
The Enhanced Edition is the first major AAA game to a ray-tracing-capable GPU to run at all.
Metro Exodus Enhanced Edition vs Standard - Differences - G2A
: Buying any edition of Metro Exodus (Standard or Gold) now typically includes access to both the original and Enhanced versions. Key Features & Enhancements
If you already own the standard version of Metro Exodus, the Enhanced Edition is available as a .