Before you begin, ensure your Steam Deck is properly set up and configured:

Place the folder into your preferred directory on the Deck (e.g., /home/deck/Games/ ). Method B: Running Installers via Proton

Some games require specific "dependencies." If a game crashes instantly, it likely needs these installed into the same "Wine Prefix." Save Data Locations Non-Steam games store saves in hidden folders.

You are not alone in this journey. Thriving online communities are dedicated to helping users get the most out of their Steam Decks, including discussions about running games from various sources.

Lutris and Heroic act as managers, making it easier to manage Wine versions, save files, and uninstallations.

If budget is a concern, consider: