How do I install custom GE-Proton builds using ProtonUp-Qt on Linux

Installing custom GE-Proton builds using ProtonUp-Qt is the easiest graphical way to manage custom compatibility layers on Linux. It handles downloading, extracting, and placing GE-Proton directly into Steam's (or Lutris/Heroic's) compatibility directories automatically.

1.Install ProtonUp-Qt:Prerequisite for graphical management.

The standard, distro-agnostic way to install ProtonUp-Qt is via Flatpak:

Bash

flatpak install flathub net.davidotek.pupgui2

Alternatively, download the standalone AppImage from the official ProtonUp-Qt GitHub releases page or install it through your distribution's package manager (e.g., protonup-qt on Arch/AUR or Fedora).

2.Select Your Game Launcher:

Launch ProtonUp-Qt. At the top of the window, locate the Install for: dropdown menu:

• Select Steam (or choose Heroic Games Launcher, Lutris, or Bottles if managing compatibility tools for non-Steam platforms).

3.Download and Install GE-Proton:

1. Click the Add version button at the bottom left.

2. Ensure Compatibility tool is set to GE-Proton (or Proton-GE).

3. Choose your desired release from the Version dropdown (typically the latest release).

4. Click Install.

ProtonUp-Qt will download and extract the files directly into your Steam compatibilitytools.d directory.

4.Restart Steam and Assign GE-Proton:Required for Steam to discover new compatibility tools.

Important: Completely exit and restart Steam so it can detect the newly added compatibility tool.

• For a Specific Game:

  1. Right-click the game in your Steam Library and select Properties.

  2. Open the Compatibility tab.

  3. Check "Force the use of a specific Steam Play compatibility tool".

  4. Select your newly installed GE-Proton build from the dropdown menu.

• As Global Default for All Windows Games:

  1. Go to Steam > Settings > Compatibility.

  2. Enable "Enable Steam Play for all other titles".

  3. Select GE-Proton from the dropdown menu.

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About Giampaolo Rossi.

Fond of computer and video games. Stay informed of the latest news on games for Linux and Android. The future of gaming is in Linux. All you need to know about How to play Windows games on Linux.