Primavera P6 Professional is likely the most-used construction project management software package around today. Now at version 18.8, project controls planners & schedulers use Primavera P6 Professional to manage construction projects big and small around the globe. The Primavera P6 download process will let you download a free trial of Primavera P6 Project Management. And we’ll take you through the Primavera P6 download and install process step-by-step.