# Enable 32-bit support
dpkg --add-architecture i386
# Enable the non-free repo
# If the tool add-apt-repository isn’t available, install software-properties-common first.
apt install software-properties-common
add-apt-repository non-free
apt update
# Install Steam
apt install steam
# Libgl error
apt install nvidia-driver-libs:i386
Enable proton db via steamplay: Settings > Steam Play > Enable steamplay for all other titles
