pik4dSteps to activate the trial Download and Install PIX4Dmatic. Visit the Pix4D downloads page to download the latest version of PIX4Dmatic. Install the application on a compatible system. Launch the Application. OpenWhat is PIX4Dengine? PIX4Dengine is a set of programming modules accessible via Application Programming Interfaces (APIs) and Software Developing Kits (SDKs) for extracting critical