PKGBUILD script for installing PortProton on arch-based distros.
git clone https://aur.archlinux.org/icoextract.git
cd icoextract
makepkg -sci
If you use GNOME, you will also need icoextract to display icons.
git clone https://aur.archlinux.org/icoextract.git
cd icoextract
makepkg -sci
yay -S portproton