x86_64/23.08 flatpak install --user flathub org.freedesktop.Platform.GL32.default/x86_64/23.08#Install the launcher itselfflatpak install --user JagexLauncher com.jagex.Launcher#Install RuneLite (if desired)flatpak install --user JagexLauncher com.jagex.Launcher.ThirdParty.RuneLite#Install HDOS (if...