EmuDeck creates a specific folder structure for you.

Your Switch games will now appear in your Steam library under the "Emulators" collection (or non-steam games).

This is the most critical step. Ryujinx requires specific files to decrypt and run games. Due to legal reasons, EmuDeck cannot provide these for you.

Restart your Steam Deck, and your games will be waiting for you in the "Collections" or "Non-Steam" tab. Quick Performance Tips

After installation, EmuDeck will open the "Emulator Configuration" tool (EmuDeck does the heavy lifting for controller mapping and performance settings here).