How to install and play games from the Epic Games Store on Steam Deck

In addition to Steam, you can also install the Epic Games Store and play games from there on the Valve Steam Deck. Here

Valve will let Steam Deck owners install Epic Games Store, Windows OS - Polygon

How to install the Epic Games Launcher on the Steam Deck

How to Launch Epic Games Store on Steam Deck

How to install the Epic Games Launcher on the Steam Deck

How to install Epic and GOG games on Steam Deck - Dexerto

How to get your Steam Deck to access the Epic Games Store and more - The Verge

How to install the Epic Games Launcher on the Steam Deck

How to install EPIC Games and GOG Games to External SD Card on your Steam Deck!

How to get Epic Games Store on your Steam Deck - Polygon