The Epic Games Store isn’t natively available on theSteam Deck.There were some fiddly methods to get it working, but the Decky Loader program will allow you to add it to the Steam Deck’s Gaming Mode without fuss as part of the Steam library. Moreover, the Decky Loader method will keepthe Epic Games storeapp updated and running smoothly thanks to a clever developer on GitHub named Moraroy. This guide will take you through the steps of installing Decky Loader, activating Testing Mode, and installing the NonSteamLauncher to launch the Epic Games Store on the Steam Deck.

Updated June 30, 2025 by Michael Llewellyn:The NonSteamLaunchers is one of the most powerful third-party tools available for the Steam Deck. Unfortunately, it was removed from the Decky Loader Store making it inaccessible through conventional means. The plugin may return in a new update, but in the meantime, this guide is updated to include the steps for installing it manually with an injector created by the NSL developer.

Steam Deck Decky Loader download screen

How To Install Decky Loader And Activate The Testing Mode

The Decky Loader is an excellent program for Steam Deck fans who want more control over the handheld’s functionality. It allows you to control its power output, color vibrancy, customized tabs, intro videos, and more. TheNonSteamLauncheris one of the best plugins and is still in development in the Testing store.Follow the next steps to install Decky Loaderand activate Testing mode.

Developer Mode

Regular updates to the Steam Deck may disable CEF Remote Debugging by default, particularly when operating the device in beta mode. Disabling CEF Remote Debugging can deactivate the Decky Loader plugins, emulators, and the Epic Games launcher. Check this setting after an update to ensure it’s switched on.

How To Activate Testing Mode In Decky Loader

Fix Missing NonSteamLaunchers From Decky Store

Without explanation, NonSteamLaunchers may have been removed from the Decky Loader store. In the event this issue isn’t resolved by the developers use the following steps to download the NonStteamLaunchers Decky Loader injector.

How To Install Epic Games Store On The Steam Deck

With Decky Loader and the NonSteamLaunchers installed, it’s time to add the Epic Games store app to the Steam Deck’s Gaming Mode library.

Games installed via the Epic Store will also get added to the Non-Steam library.

Steam Deck Developer Mode

How To Fix Decky Loader Breaking After A Steam Deck Update

The latest Steam Deck updates can break and completely remove the application and all its plugins from your Steam Deck. However, not all is lost as you can restore your Decky Loader program, your installed plugins, and your saved settings using the following steps.

If this is your first time setting a sudo password make sure it’s something memorable or write it down. The only way to reset a sudo password on the Steam Deck is to perform a factory reset.

Steam Deck - Switch Store Channel to Testing on Decky Loader

That’s everything needed to run Epic Games on the Steam Deck’s Gaming Mode as part of theSteam library.

Steam Deck - NonSteamLauncher on Decky Loader

Epic Games home page Decky Loader

Installing Epic Games with Decky Loader

Steam Deck switching on separate gaming folders

Decky Loader on the Steam Deck

Steam Deck Console