sudo wget http://download.opensuse.org/repositories/games/Fedora_17/games.repo -o /etc/yum.repos.d/steam.repo
rpm -ivh http://download.opensuse.org/repositories/games/Fedora_17/src/steam-1.0.0.18-1.1.src.rpm
cd ~/rpmbuild/SPECS
rpmbuild -bb steam.spec
sudo yum localinstall ~/rpmbuild/RPMS/x86_64/steam-1.0.0.18-1.1.x86_64.rpm
steam
rpm -ivh http://download.opensuse.org/repositories/games/Fedora_17/src/steam-1.0.0.18-1.1.src.rpm
cd ~/rpmbuild/SPECS
rpmbuild -bb steam.spec
sudo yum localinstall ~/rpmbuild/RPMS/x86_64/steam-1.0.0.18-1.1.x86_64.rpm
steam
Or here