matic4dSteps 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.;Open PIX4Dmatic.; Click File on the menu bar.; Click Open...; On the pop-up Open Project, specify the location of the root.p4m file and click Open. (Optional) If images are not displayed in the Image panel: . Rht-click on the image in