Install your target game (e.g., Skyrim Special Edition ) on your internal SSD rather than an SD card for maximum compatibility.

How to Download and Install Mod Organizer 2 on Steam Deck Installing on the Steam Deck is the best way to manage complex mod lists for Bethesda games like Skyrim and Fallout 4 without cluttering your game directories. Because MO2 is a Windows application, you must use compatibility tools like Proton or automated Linux scripts to run it on SteamOS .

Launch the game at least once in Gaming Mode to create its initial configuration files and "prefix" folder.

Go to the Mod Organizer 2 Linux Installer on GitHub and download the latest stable release.

The most reliable and "least janky" method involves using a dedicated Linux installer script that automates the difficult setup steps. Prerequisites Before starting, ensure you have the following ready:

Locate the downloaded archive in your Downloads folder, right-click it, and select Extract Archive Here . Run the Installation Script: Open the extracted folder.

This is the easiest way for most users as it handles the creation of a "virtual Windows environment" (prefix) for you.

Switch to Desktop Mode (Steam Button > Power > Switch to Desktop). Method 1: The Automated Installer (Recommended)