Click the grey “down”arrow beside the files at the bottom of the page 3D Models For .bimx files the software for PC or Mac can be downloaded at Graphisoft there is a pdf reference card there which can be downloaded too or when the software is running press esc to get to the menu then press “controls” to see the commands repress esc to get back to fly mode For iPad or phone, search for the free BIMx software at the Apps Store |