or Download Zip
For SUMO 0.21.0 go here
Read the SUMO user manual
Read the OMNeT [install guide] (https://github.com/ryuuzaki42/SUMO_OMNeT_Veins_Slackware/blob/master/2_OMNET%2B%2B/InstallGuide.pdf) and the documentation
Set the load configs in your bash (~/.bashrc)
Extract the Veins 4.4 and import in the OMNeT as show in the tutorial
For more information go to Veins page