How to install GOG Galaxy on Steam Deck
Installing GOG Galaxy on your Steam Deck isn't officially supported out of the box, but it's totally doable! First, you'll need to enter Desktop Mode on your Steam Deck. Then, download the GOG Galaxy installer from the GOG website using a web browser. You'll have to enable Steam Play for all other titles from Steam's settings to ensure compatibility. Finally, run the installer via the Discover Software Center by searching for it in the Applications Menu or right-clicking the downloaded file and choosing 'Open With Discover'. Follow the prompts, and voilà, GOG Galaxy on your Steam Deck!
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My 2 cents: got GOG Galaxy running on my Steam Deck last month, and it was smooth sailing. Desktop Mode is your best friend here, just follow the standard Linux installation steps for GOG Galaxy. Remember, Steam Deck is basically a PC, so if it works on Linux, it's likely to work on your Deck too.
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