How to change the Proton version on Linux, SteamOS and Steam Deck

You've heard a lot about Proton and all the different versions, but how do you actually change the version of Proton used for games? Here's all you need to know.

GamingOnLinux
@gamingonlinux It is also worth mentioning that alternative versions of Proton (such as Proton GE) can be easily installed and used via the ProtonUp-Qt application.
@VaryHeavy already have other guides for that https://www.gamingonlinux.com/guides/
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Various guides for Linux Gaming, Steam Deck, SteamOS, Proton and more

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