this post was submitted on 10 Feb 2026
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Steam Hardware

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I‘ve checked a few of the resources I found here but I seem to be unable to wrap my head around this.

I want to play one specific game purchased from GoG on my Steam Deck. It only has a windows installer. I don’t need a fancy launcher (at the moment). The game has low hardware requirements so should run fine via emulation/proton…

What’s the easiest way to install and add this game to game mode?

Edit: clarification on the launcher. I don’t necessarily need one. If it is the easiest way to get it done I still would consider installing one.

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[–] Auster@thebrainbin.org 3 points 2 days ago (1 children)

Adding to that, iirc the user needs to change the EXE on Steam after the install, else Steam will keep trying to open the installer.

[–] gustofwind@lemmy.world 1 points 2 days ago (2 children)

Funnily enough I tried to do this with battlenet and it didn’t work but if I just run the original added installer on steam it auto runs properly

[–] bjoern_tantau@swg-empire.de 1 points 1 day ago

That's because every time you run a new program with Proton on Steam it creates a new Wine-prefix (fake Windows drive). So when you run the installed battlenet.exe it creates a new Windows environment where Battle.net is not installed.

But the installer is using the environment where Battle.net is installed and apparently it has a function to run Battle.net when it detects that it's already installed.

[–] Auster@thebrainbin.org 1 points 2 days ago

Unfamiliar with Battle.net, but the problem sounds like a case of DRM and the solution sounds like the installer tries to normalize launchers and you are able to leverage it.